Search Result for "zygomorphous": 
Wordnet 3.0

ADJECTIVE (1)

1. capable of division into symmetrical halves by only one longitudinal plane passing through the axis;
[syn: zygomorphic, bilaterally symmetrical, zygomorphous]


The Collaborative International Dictionary of English v.0.48:

Zygomorphic \Zyg`o*mor"phic\, Zygomorphous \Zyg`o*mor"phous\, a. [Gr. zygo`n a yoke + ? form.] (Biol.) Symmetrical bilaterally; -- said of organisms, or parts of organisms, capable of division into two symmetrical halves only in a single plane. [1913 Webster]
WordNet (r) 3.0 (2006):

zygomorphous adj 1: capable of division into symmetrical halves by only one longitudinal plane passing through the axis [syn: zygomorphic, bilaterally symmetrical, zygomorphous] [ant: actinomorphic, actinomorphous]