Peck \Peck\, v. i. 1. To make strokes with the beak, or with a pointed instrument. --Carew. 2. To pick up food with the beak; hence, to eat. [The hen] went pecking by his side. --Dryden. {To peck at}, to attack with petty and repeated blows; to carp at; to nag; to tease.