Meaning of ANADROMOUS in English

əˈnadrəməs, aˈn- adjective

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

1. of fish : ascending rivers from the sea at certain seasons for breeding

salmon and shad are anadromous

— compare catadromous

2. also an·a·drom·ic |anə|drämik

[ anadromic from Greek anadrom os + English -ic ]

: having the first set of veins arising on the upper side of the midrib toward the tip — used of the pinnae of a fern frond

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.