urinator septentrionalis

1 definition found

urinator septentrionalis - Collaborative International Dictionary of English v.0.48 :

  Loon \Loon\, n. [For older loom, Icel. l[=o]mr; akin to Dan. &
     Sw. lom.] (Zool.)
     Any one of several aquatic, wed-footed, northern birds of the
     genus Urinator (formerly Colymbus), noted for their
     expertness in diving and swimming under water. The common
     loon, or great northern diver (Urinator imber, or Colymbus torquatus
     ), and the red-throated loon or diver (Urinator septentrionalis
     ), are the best known species. See Diver.
     [1913 Webster]