Definitions for caltropˈkæl trəp; -θrəp
Random House Webster's College Dictionary
cal•tropˈkæl trəp; -θrəp(n.)
or cal•trap ; also cal•throp
any of several plants having spiny heads or fruit, as those of the genera Tribulus and
Kallstroemeria.
Category: Plants
an iron ball with four projecting spikes, one of which always points upward when the ball is placed on the ground: used to obstruct cavalry, vehicles, etc.
Category: Military
Origin of caltrop:
bef. 1000; ME calketrappe, OE calcatrippe
Princeton's WordNet
caltrop, devil's weed, Tribulus terestris(noun)
tropical annual procumbent poisonous subshrub having fruit that splits into five spiny nutlets; serious pasture weed
water chestnut, water chestnut plant, caltrop(noun)
a plant of the genus Trapa bearing spiny four-pronged edible nutlike fruits
star-thistle, caltrop, Centauria calcitrapa(noun)
Mediterranean annual or biennial herb having pinkish to purple flowers surrounded by spine-tipped scales; naturalized in America
Wiktionary
caltrop(Noun)
A small, metal object with spikes arranged so that, when thrown onto the ground, one always faces up as a threat to passers-by.
caltrop(Noun)
The starthistle, Centaurea calcitrapa, a plant with sharp thorns.
caltrop(Noun)
A flowering plant, Tribulus terrestris, in the family Zygophyllaceae, native to warm temperate and tropical regions of the Old World.
Origin: From the Latin calcitrapa "thistle"
Webster Dictionary
Caltrop(noun)
alt. of Caltrap
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