the world > life > the body > external parts of body > trunk > back > buttock(s) > [noun] > cleft in (5)
The cleft between the buttocks, rima podicis.
The cleft in the buttocks; the buttocks; the anus. Also occasionally without article. Obsolete.
A notch, groove, or slit, cut into or present in something; an incision, an indentation. A groove or cleft in the flesh of a person or animal. Now…
The cleft between the buttocks.