Definitions for groupgrup

Random House Webster's College Dictionary

group^*grup(n.)

any collection or assemblage of persons or things; cluster; aggregation.
a number of persons or things ranged or considered together as being related in some way.
Category: Chemistry
Ref: Also called radical. 12 1
any of the vertical columns of elements in the periodic table.
Category: Chemistry
a division of stratified rocks comprising two or more formations.
Category: Geology
an administrative and tactical unit of the U.S. Army consisting of two or more battalions and a headquarters. an administrative and operational unit of the U.S. Air Force subordinate to a wing, usu. composed of two or more squadrons.
Category: Military
a section of an orchestra comprising the instruments of the same class.
Category: Music and Dance
an algebraic system that is closed under an associative operation, as multiplication or addition, and in which there is an identity element that, on operating on another element, leaves the second element unchanged, and in which each element has corresponding to it a unique element that, on operating on the first, results in the identity element.
Category: Math
(v.t.)to place together in a group, as with others.
to form into a group or groups.
(v.i.)to form a group.
to be part of a group.

^* Usage: See collective noun.

Origin of group:

1665–75; < F groupe < It gruppo蠐 Gmc; akin to crop

Princeton's WordNet

group, grouping(noun)
any number of entities (members) considered as a unit
group, radical, chemical group(noun)
(chemistry) two or more atoms bound together as a single unit and forming part of a molecule
group, mathematical group(verb)
a set that is closed, associative, has an identity element and every element has an inverse
group(verb)
arrange into a group or groups
"Can you group these shapes together?"
group, aggroup(verb)
form a group or group together

Kernerman English Learner's Dictionary

group(noun)grup
several people or things together
a group of students/plants/houses; We will be working in groups of four people.; ethnic groups
groupgrup
an organization
Christian/community groups; human rights groups
group(verb)grup
to put things together in a group
Group the cards according to their titles.

Wiktionary

group(Noun)
A number of things or persons being in some relation to one another.
group(Noun)
A set with an associative binary operation, under which there exists an identity element, and such that each element has an inverse.
group(Noun)
A (usually small) group of people who perform music together.
Did you see the new jazz group?
group(Noun)
A small number (up to about fifty) of galaxies that are near each other.
group(Noun)
A column in the periodic table of chemical elements.
group(Noun)
A functional entity consisting of certain atoms whose presence provides a certain property to a molecule, such as the methyl group.
group(Noun)
A subset of a culture or of a society.
group(Noun)
An air force formation.
group(Noun)
A collection of formations or rock strata.
group(Verb)
To put together to form a group.
group(Verb)
To come together to form a group.
group(Noun)
In the Unix operating system, a number of users with same rights with respect to accession, modification, and execution of files, computers and peripherals.
group(Noun)
An element of an espresso machine from which hot water pours into the portafilter.

Origin: From groupe, from gruppo, groppo, of origin, from kruppaz, from greub-. Cognate with German Kropf, cropp, croppa, Dutch krop, Old Norse kroppr. More at crop, croup.

Webster Dictionary

Group(noun)
a cluster, crowd, or throng; an assemblage, either of persons or things, collected without any regular form or arrangement; as, a group of men or of trees; a group of isles
Group(noun)
an assemblage of objects in a certain order or relation, or having some resemblance or common characteristic; as, groups of strata
Group(noun)
a variously limited assemblage of animals or plants, having some resemblance, or common characteristics in form or structure. The term has different uses, and may be made to include certain species of a genus, or a whole genus, or certain genera, or even several orders
Group(noun)
a number of eighth, sixteenth, etc., notes joined at the stems; -- sometimes rather indefinitely applied to any ornament made up of a few short notes
Group(noun)
to form a group of; to arrange or combine in a group or in groups, often with reference to mutual relation and the best effect; to form an assemblage of

Dictionary of Military and Associated Terms

group
1. A flexible administrative and tactical unit composed of either two or more battalions or two or more squadrons. The term also applies to combat support and combat service support units. 2. A number of ships and/or aircraft, normally a subdivision of a force, assigned for a specific purpose. 3. A long-standing functional organization that is formed to support a broad function within a joint force commander