from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Any of several baleen whales of the family Balaenopteridae having longitudinal grooves on the throat and a small, pointed dorsal fin. Also called razorback.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any whale with longitudinal skin folds running from below the mouth to the navel, allowing the capacity of the mouth to expand greatly when feeding.
from the GNU version of the Collaborative International Dictionary of English
- n. A very large North Atlantic whalebone whale (Physalus antiquorum, or Balænoptera physalus). It has a dorsal fin, and strong longitudinal folds on the throat and belly. Called also razorback.
from The Century Dictionary and Cyclopedia
- n. A finner-whale of the genus Balænoptera, having short flippers, a dorsal fin, and the throat plicated.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. any of several baleen whales of the family Balaenopteridae having longitudinal grooves on the throat and a small pointed dorsal fin
French, from Norwegian rørhval, from Old Norse reydharhvalr : reydhr, rorqual (from raudhr, red; see reudh- in Indo-European roots) + hvalr, whale.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Norwegian røyrkval ("furrow whale"), from Old Norse reyðarhvalr (Wiktionary)