副鼻腔 ふくびこう Also written ふくびくう Meanings Noun paranasal sinus; paranasal cavity; sinus paranasales (ふくびくう is used by medical professionals) Kanji 副 vice-. Read as フク. 鼻 nose 腔 body cavity. Read as コウ. Words containing 副鼻腔 副鼻腔炎 (ふくびこうえん) sinusitis Jinuma: Japanese Dictionary · Word lists