Having a breast like a pigeon's, the sternum being so prominent as to constitute a deformity.

cowardly

timid; easily frightened; chicken-hearted

A female pigeon.

A male pigeon.

(botany) Any non-chlorophyll pigment present in a chloroplast that helps to absorb light but sends all the energy to a chlorophyll.

Clostridial necrotizing enteritis, a kind of food poisoning caused by Clostridium perfringens.

A large species of pigeon, Hemiphaga novaeseelandiae, native to New Zealand.

The breeding, competitive showing and racing of domestic pigeons

(UK, childish or endearing) a pig.