Synonyms:
erectile, cavernous
Meaning: filled with vascular sinuses and capable of becoming distended and rigid as the result of being filled with blood; "erectile tissue"; "the penis is an erectile organ"
Synonyms:
cavernous
Meaning: being or suggesting a cavern; "vast cavernous chambers hollowed out of limestone"
Usage examples
His fine blue eyes are cavernous; he is a little deaf, which suggests the Knight of the Sorrowful Countenance.
Beneath us the green tumult churning, above us the cavernous gloom; Around us, swift twisting and turning, the black, sullen walls of a tomb. We spun like a chip in a mill-race; our hearts hammered under the test; Then--oh, the relief on each chill face!--we soared into sunlight and rest.