See also: ひたい, びたい, and びだい

Japanese edit

For pronunciation and definitions of ひだい – see the following entries.
干鯛
[noun] dried and salted seabream
肥大
[adjective] stout; fat
[noun] hypertrophy
[verb] to grow stout or fat
(This term, ひだい, is the hiragana spelling of the above terms.)