Main Entry: stur·geon

Pronunciation: \ˈstər-jən\

Function: noun

Etymology: Middle English, from Anglo-French estourgeoun, of Germanic origin; akin to Old English styria sturgeon

Date: 13th century

: any of a family (Acipenseridae) of usually large elongate anadromous or freshwater bony fishes which are widely distributed in the north temperate zone and whose roe is made into caviar