noun
Meaning 1
A stone or rock ingested by certain animals and retained in their digestive tract, particularly the gizzard, in order to assist in grinding food or serve other functions like ballast.
Definition source: English Wiktionary via Wiktextract
Topics: biology, natural-sciences, zoology
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided