Search Result for "estrus": 
Wordnet 3.0

NOUN (1)

1. applies to nonhuman mammals: a state or period of heightened sexual arousal and activity;
[syn: estrus, oestrus, heat, rut]


WordNet (r) 3.0 (2006):

estrus n 1: applies to nonhuman mammals: a state or period of heightened sexual arousal and activity [syn: estrus, oestrus, heat, rut] [ant: anestrum, anestrus, anoestrum, anoestrus]