moklu -mol-mo'u- gismu

x₁ is a/the mouth/oral cavity [body-part] of x₂; (metaphor: entrance/intake for consumption).

(adjective:) x₁ is oral. See also ctebi, denci, tance.

In notes:

ctebi: x₁ is a/the lip [body-part]/rim of orifice x₂ of body x₃; (adjective:) x₁ is labial.
denci: x₁ is a/the tooth [body-part] of x₂; (adjective:) x₁ is dental.
tance: x₁ is a/the tongue [body-part] of x₂; (metaphor: similar to nazbi, tamji, degji).
moldandu: x₁=d₁ is the uvula in the mouth of x₂=m₂.
molgai: g₁ is a muzzle on m₂
molgapru: g₁ is the palate of m₂.
molku'o: m₁=s₁ is a philtrum (infranasal depression) of m₂=s₂.
moltenva'u: x₁=v₁ yawns/[breathes while stretching mouth]
selctebi: x₁ is an orifice, with lip x₂, of body x₃.
xadyca'o: x₁=c₁ is an orifice of anatomical structure [tract] x₂=c₂ in the body of organism x₃=xa2.
stomaxu: x₁ is a/the stomach/digestive organ of x₂