Anadromous A*nad"ro*mous, a. [Gr. ? running upward; ? + ? a running, ? to run.] 1. (Zo["o]l.) Ascending rivers from the sea, at certain seasons, for breeding, as the salmon, shad, etc. [1913 Webster]

2. (Bot.) Tending upwards; -- said of terns in which the lowest secondary segments are on the upper side of the branch of the central stem. --D. C. Eaton. [1913 Webster] ||

The Collaborative International Dictionary of English. 2000.

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  • anadromous — (adj.) of fish, ascending a river to spawn (as salmon do), 1753, from Gk. anadromos running upward, from ana up, back (see ANA (Cf. ana )) + dramein to run (see DROMEDARY (Cf. dromedary)) …   Etymology dictionary

  • anadromous — [ə na′drə məs] adj. [Gr anadromos < ana , upward + dromos, a running < dramein, to run: see DROMEDARY] going from salt water to fresh water or up rivers to spawn: said of salmon, shad, etc …   English World dictionary

  • anadromous — 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 …   New Collegiate Dictionary

  • anadromous — adjective /əˈnad.ɹə.məs,əˈnæd.ɹə.məs/ a) That lives in the sea and breeds in fresh water. Shads and most species of salmon are anadromous. b) Of a fern in which the first veins in a frond segment are produced towards the apex of the frond …   Wiktionary

  • anadromous — Migrating up rivers from the sea to breed in fresh water …   Fisheries — dictionary

  • anadromous — running up; said of those fishes which spend most of their life in the sea and which migrate to freshwater to reproduce, e.g. Oncorhynchus, Stenodus, Petromyzon, Roccus, Stokellia anisodon (Retropinnidae) (Myers, 1949). The opposite is… …   Dictionary of ichthyology

  • anadromous — /euh nad reuh meuhs/, adj. (of fish) migrating from salt water to spawn in fresh water, as salmon of the genera Salmo and Oncorhynchus (distinguished from catadromous). [1745 55; < Gk anádromos running upward. See ANA , DROME, OUS] * * * …   Universalium

  • anadromous — Migrating from ocean water to fresh water to spawn; some such fish harbor human pathogens. SEE ALSO: catadromous …   Medical dictionary

  • anadromous — adj. pertaining to fish which migrate to spawn …   English contemporary dictionary

  • anadromous — [ə nadrəməs] adjective Zoology (of a fish) migrating up rivers from the sea to spawn. The opposite of catadromous. Origin C18: from Gk anadromos (from ana up + dromos running ) + ous …   English new terms dictionary

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