1. (noun)beak the pointed mouth of a bird a worm in its beak
Definition of 'beak'
Webster Dictionary
1. (noun)beak the bill or nib of a bird, consisting of a horny sheath, covering the jaws. The form varied much according to the food and habits of the bird, and is largely used in the classification of birds
2. (noun)beak a similar bill in other animals, as the turtles
3. (noun)beak the long projecting suckingmouth of some insects, and other invertebrates, as in the Hemiptera
4. (noun)beak the upper or projecting part of the shell, near the hinge of a bivalve
7. (noun)beak a beam, shod or armed at the end with a metalhead or point, and projecting from the prow of an ancient galley, in order to pierce the vessel of an enemy; a beakhead
8. (noun)beak that part of a ship, before the forecastle, which is fastened to the stem, and supported by the mainknee
1. beak In some animals, the jaws together with their horny covering. The beak usually refers to the bill of birds in which the whole varies greatly in form according of the food and habits of the bird. While the beak refers most commonly to birds, the anatomicalcounterpart is found also in the turtle, squid, and octopus. (From Webster, 3d ed & Storer, et al., General Zoology, 6th ed, p491, 755)