present participle of abray

(zoology) Any extinct nautiloid cephalopod in the family Phragmoceratidae.

A woman who is simultaneously sister and wife to her husband. / In a polygamous marriage, a woman who is simultaneously the sister and co-wife of another. / A co-wife in general.

Describing a mode of swimming by fish in which most of the propulsion is provided by the tail but some is provided by movements of the body