Peck
Webster's Dictionary [1]
(1): ( n.) A quick, sharp stroke, as with the beak of a bird or a pointed instrument.
(2): ( v.) To make, by striking with the beak or a pointed instrument; as, to peck a hole in a tree.
(3): ( n.) The fourth part of a bushel; a dry measure of eight quarts; as, a peck of wheat.
(4): ( n.) A great deal; a large or excessive quantity.
(5): ( v.) To seize and pick up with the beak, or as with the beak; to bite; to eat; - often with up.
(6): ( v. i.) To make strokes with the beak, or with a pointed instrument.
(7): ( v. i.) To pick up food with the beak; hence, to eat.
(8): ( v.) Hence: To strike, pick, thrust against, or dig into, with a pointed instrument; especially, to strike, pick, etc., with repeated quick movements.
(9): ( v.) To strike with the beak; to thrust the beak into; as, a bird pecks a tree.
King James Dictionary [2]
Peck, n.
1. The fourth part of a bushel a dry measure of eight quarts as a peck of wheat or oats. 2. In low language, a great deal as, to be in a peck of troubles.
1. To strike with the beak to thrust the beak into, as a bird that pecks a hole in a tree. 2. To strike with a pointed instrument, or to delve or dig with any thing pointed, as with a pick-ax. 3. To pick up food with the beak. 4. To strike with small and repeated blows to strike in manner to make small impressions. In this sense,the verb is generally intransitive. We say, to peck at.
This verb and pick are radically the same.
