しいし 四至 LinksSentence search for 四至Sentence search for しいしSentence search for ししSentence search for しじKanji details for 四 and 至Edit in JMdict Noun1. four sides (boundaries) of a propertyArchaicOther forms四至 【しし】、四至 【しじ】 Discussions Log in to talk about this word.