the world > animals > birds > perching birds > order Columbiformes (pigeons, etc.) > [noun] > family Columbidae > pigeon > food regurgitated by (3)
(a) (in pigeon-keeping) = soft food n.; (b) attributive (in aviculture) = soft-billed, adj.
A curdlike secretion from a pigeon's crop with which it feeds its young.
(in pigeon-keeping) the partly digested food which pigeons regurgitate to feed to their young; = pigeon's milk, n. 2.