On gloss:

ctebi
x1 is a/the lip [body-part]/rim of orifice x2 of body x3; (adjective:) x1 is labial.
molctebi in sense "of mouth" on place 1
c1 is the lip/are the lips of mouth c2=m1 of [body] c3=m2.

In definition:

tabra
x1 is a horn/trumpet/trombone/bugle [brass-wind/lip-reed musical instrument].
jirnytabra
t1=j1 is a/the horn [brass-wind/lip-reed musical instrument; default
lagbractebi
c1=v1 is labia majora/outer vaginal labia/ lips of body v2
relctebi
c1 is bilabial/pertains to both lips of orifice c2 of body c3.
selctebi
x1 is an orifice, with lip x2, of body x3.
tabryjirna
j1=t1 is a/the horn [primitive type/predecessor of brass-wind/lip-reed musical instrument] cut from j2.
tebjoide'i
x1 is labiodental/pertains to the lower lip and upper teeth of body/person c3=d2.

In notes:

cocybau
x1 is a sign language of x2
vokpravelpe'u
x1=p4 is the locus/place of (vocal) articulation of sound/vocal product x2=v1=c2 made by instrument/locus/vocalization tool x3=p3 in individual speaker x4=v2=c1=p1