A specialized organ constructed of thick muscular walls found in the digestive tract of some animals, including archosaurs, birds, earthworms, some gastropods, some fish, and some crustaceans used for grinding up food, often aided by particles of stone or grit.
Origin
From Middle English gyser, geser, from Old French gesier, giser et al. (French gésier), from Latin gigēria.
Modern English dictionary
Explore and search massive catalog of over 900,000 word meanings.
Word of the Day
Get a curated memorable word every day.
Challenge yourself
Level up your vocabulary by setting personal goals.