Denshi Jisho — Online Japanese dictionary

四十雀 しじゅうがら great tit (Parus major)
Noun, Usually written using kana alone 
四重禁 しじゅうきん four grave prohibitions (killing, theft, adultery, and deceit)
Noun, Buddhist term 
四重禁 しじゅうごん four grave prohibitions (killing, theft, adultery, and deceit)
Noun, Buddhist term 
四旬節 しじゅんせつ Lent
Noun 
四神獣 しじんじゅう four divine beasts; guardian deities of the four cardinal points
Noun 
四足獣 しそくじゅう quadruped; four-footed animal
Noun 
四本柱 しほんばしら four posts that used to support the roof over the sumo ring
Noun 
四脚門 よつあしもん style of temple gate featuring four supporting pillars and a gabled roof
Noun 
四回生 よんかいせい fourth year (college) student; senior
Noun 
４回生 よんかいせい fourth year (college) student; senior
Noun 
四倍体 よんばいたい tetraploid
Noun 
四拍子 よんびょうし quadruple time
Noun 
四本足 よんほんあし four-legged; four legs
Noun, No-adjective 
四角号碼 しかくごうま four-corner kanji character stroke classification system
Noun 
四角四面 しかくしめん square; formal
Na-adjective, Noun, No-adjective 
四季折々 しきおりおり from season to season; season by season; of each season; in each season
Adverb, Noun 
四季折折 しきおりおり from season to season; season by season; of each season; in each season
Adverb, Noun 
四元速度 しげんそくど four velocity
Noun, Physics term 
四国地方 しこくちほう Shikoku region (inc. Tokushima, Kagawa, Ehime and Kochi prefectures)
Noun 
四国遍路 しこくへんろ Shikoku pilgrimage (to the 88 temples); Shikoku pilgrim
Noun 
四三の星 しそうのほし Big Dipper; Plough
Noun, Archaism 
四半世紀 しはんせいき quarter of a century
Noun 
四分音符 しぶんおんぷ quarter note; crotchet
Noun 
四分五裂 しぶんごれつ torn asunder; disrupted and disorganized
Noun, Suru verb 
四字熟語 よじじゅくご four-character idiomatic compounds
Noun 
四月テーゼ しがつテーゼ April Theses; series of directives issued by Lenin after his return from exile
Noun 
四つんばい よっつんばい (crawl) on all fours; on one's hands and feet; falling flat
Noun 

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