咽喉 is read as いんこう (inkou) and means throat.
いんこう
inkou
いんこうとういじょうかんしょう
globus pharyngis
いんこうまいく
throat microphone
じびいんこう
ear, nose, and throat
じびいんこうか
otorhinolaryngology
じびいんこうせんもんい
ear, nose and throat specialist
のど
gutter (inner margins of a book)