Synonyms for

Sinus

Verb Another word for sinus — explore alternatives below. For syllable breakdowns and pronunciation, see this word on Syllablesworld.

Definition

Sinus refers to a hollow cavity in the skull that connects to the nasal passages.

Synonyms & similar words

venoussinus fistula cavity hollow pocket chamber recess cleft fissure crevice opening channel tunnel duct passage canal vent orifice aperture hole perforation foramen

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