i Register
In some senses, crevice is marked as slang. Watch for register when choosing this word.
noun
A narrow crack or fissure, as in a rock or wall.
[T]he mouse / Behind the mouldering wainscot shriek'd, / Or from the crevice peer'd about.
16 March, 1926, Virginia Woolf, letter to V. Sackville-West I can't tell you how urbane and sprightly the old poll parrot was; and […] not a pocket, not a crevice, of pomp, humbug, respectability in him: he was fresh as a daisy.
The vagina.
[…] howling like a wolf as I penetrated her harder and harder as she asked for more and more and moved her legs to the left and to the right so I could go deeper and deeper into her crevice.
verb
To crack; to flaw.
they are more apt in swagging down, to pierce with their points, then in the jacent Postures and […]crevice the Wall