protruding lower lip and jaw; underbite
Describes a facial feature where the lower lip and jaw stick out; often used in everyday descriptions of appearance.
He has an underbite, so his profile is distinctive.
Please insert the pipe into the socket of this metal fitting.
受け is a broader term for a receiver or catch; 受け口 specifically refers to a mouth-like opening or socket.
Standard kanji spelling for both senses.
Simplified kanji variant; less common than 受け口.
Rare kanji variant; 承 is not standard for this word.
Compound of 受け (uke, 'receiving') + 口 (kuchi, 'mouth'). The reading うけくち is a variant, but うけぐち is standard.