A semi-solid substance, somewhat like pale yellow cottage cheese, secreted from the lining of the crop of (both male and female) pigeons and doves that is fed to their young (squabs) through regurgitation. An analog to crop milk is also secreted from the esophagus of flamingos and some penguins.

(US) A vegetable crop grown by truck farming.

plural of truck crop

plural of crop mark

Alternative form of cropmark

plural of sunset crop

A type of agricultural crop that is not expected to be commercially viable much longer.

plural of standing crop

(ecology, agriculture) The total dried biomass of the living organisms present in a given environment.

present participle of alley crop