Main Entry: anad·ro·mous

Pronunciation: \ə-ˈna-drə-məs\

Function: adjective

Etymology: Greek anadromos running upward, from anadramein to run upward, from ana- + dramein to run — more at dromedary

Date: circa 1753

: ascending rivers from the sea for breeding <shad are anadromous> — compare catadromous