■ noun
1》 the time from sunset to sunrise.
↘this as the interval between two days.
2》 the darkness of ~.
↘ literary ~fall.
3》 an evening.
■ adverb ( ~s ) informal, chiefly N. Amer. at ~.
■ exclamation informal good~.
Derivatives
~less adjective
Origin
OE neaht , niht , of Gmc origin.