しゅくちょく 宿直 LinksSentence search for 宿直Sentence search for しゅくちょくSentence search for とのいKanji details for 宿 and 直Edit in JMdict Noun, Suru verb, Intransitive verb1. night watch; night guard; night shiftOther forms宿直 【とのい】 Discussions Log in to talk about this word.