also: じんもん
noun
gate of a Shinto shrine
Refers specifically to the entrance gate of a Shinto shrine. Not a general term for any gate.
参拝者は神門をくぐって境内に入った。
The worshippers passed through the shrine gate and entered the precincts.
鳥居 is the iconic Shinto gate, usually a simple structure with two uprights and two crossbeams. 神門 is a more general term for a shrine gate, which can be a more substantial roofed gate.
Compound of 神 (shin, 'god, deity') and 門 (mon, 'gate'). The reading しんもん is the standard on'yomi combination; じんもん is a variant reading.