Search Result for "concavo-concave": 
Wordnet 3.0

ADJECTIVE (1)

1. concave on both sides;
[syn: biconcave, concavo-concave]



The Collaborative International Dictionary of English v.0.48:

Concavo-concave \Con*ca`vo-con"cave\, a.
   Concave or hollow on both sides; double concave.
   [1913 Webster]


WordNet (r) 3.0 (2006):

concavo-concave
    adj 1: concave on both sides [syn: biconcave, concavo-
           concave]