媚態 is read as びたい (bitai) and means coquetry.
びたい
bitai
じたい
situation
じったい
true state
じょうたい
state
せいたい
ecology
へんたい
abnormality
けいたい
morph
どうたい
movement
しゅうたい
disgraceful behavior
きゅうたい
old state of affairs
しったい
blunder
たい
voice
normal state (condition)