n. One of the natural groups, more important than an order, into which some classes are divided; as, the angiospermous subclass of exogens. [ 1913 Webster ]
[カイアシるい(カイアシ類);かいあしるい(橈脚類);とうきゃくるい(橈脚類);じょうきゃくるい(橈脚類), kaiashi rui ( kaiashi rui ); kaiashirui ( tou ashi rui ); toukyakurui ( tou ashi ru](n) copepods (small crustaceans of subclass Copepoda)[Add to Longdo]