Green’s Dictionary of Slang

peck n.1

[SE peck, to eat (of a bird); the concepts of food and business are closely allied here]

1. [mid-16C+] (orig. UK Und.; later use US black/gang, also pecks) food, often meat.

2. [late 19C] an appetite.

3. [late 19C–1900s] a business, a concern.

In derivatives

peckage (n.) (also peckadge, peckeridge, peckidge)

[17C–mid-19C] (UK Und.) food, esp. scraps.

peckings (n.)

[1940s–50s] (US black) food.

In compounds

peck alley (n.)

[mid-19C] the throat.

peck and perch (n.)

[early 19C] board and lodging.

In phrases

off one’s peck

[late 19C–1900s] having no appetite.