Anadromous Definition

ə-nădrə-məs

adjective

Migrating up rivers from the sea to breed in fresh water. Used of fish.

American Heritage

Going from salt water to fresh water or up rivers to spawn.

Webster's New World

(of a migratory fish) That lives in the sea and breeds in fresh water.

Shads and most species of salmon are anadromous.

Wiktionary

(botany) Of a fern in which the first veins in a frond segment are produced towards the apex of the frond.

Wiktionary

Antonyms:

Origin of Anadromous

From Ancient Greek ἀνάδρομος (anadromos), from ἀνά (ana, “up”) + δρόμοs (dromos, “running”).

From Wiktionary
From Greek anadromos running up ana- ana- dromos a running

From American Heritage Dictionary of the English Language, 5th Edition

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