Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun cavernous_sinus

1 sense of cavernous sinus

Sense 1
cavernous sinus, sinus cavernosus -- (either of a pair of large venous sinuses in the cranial cavity)
       => venous sinus, sinus -- (a wide channel containing blood; does not have the coating of an ordinary blood vessel)