SPHENOID SINUS
\sfˈɛnɔ͡ɪd sˈa͡ɪnəs], \sfˈɛnɔɪd sˈaɪnəs], \s_f_ˈɛ_n_ɔɪ_d s_ˈaɪ_n_ə_s]\
Definitions of SPHENOID SINUS
Word of the day
dromaeognathae
- Prof. Huxley's classification a sub-order Carinatae (birds having sternum with keel), including but one family, Tinamidae tinamous. In this suborder the bones of upper jaw or skull are like what they struthious swift-footed birds, as ostrich.