What is 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 called?

peck — 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. (Webster's 1913.)

Sources