kunti -kut- gismu

x1 [container] is empty/vacant of x2 [material]; x1 is hollow.

Also vacuum (= kunti be roda/so'ada). See also culno, tisna, claxu, canlu, kevna, setca.

In notes:

canlu
x1 is space/volume/region/room [at-least-3-dimensional area] occupied by x2.
claxu
x1 is without/lacking/free of/lacks x2; x1 is x2-less.
culno
x1 is full/completely filled with x2.
kevna
x1 is a cavity/hole/hollow/cavern in x2; x1 is concave within x2; x2 is hollow at locus x1.
setca
x1 (agent) inserts/interposes/puts/deposits x2 into interior x3/into among/between members of x3.
tisna
x1 (object) fills/becomes stuffed [up]/inflates/blows up with material x2; x2 pours into x1.
kutlerpoi
x1 is the empty character string
kutpoi
x1 is the empty array/sequence
kutydza
x1 is the null value/argument
kutyje'u
x1 a tautology by standard/epistemology/metaphysics x2.
kutysetmima
x1 is the empty set
kutytu'a
t1=k1 is a desert located in/at t2
kutyuenzi
x1 is the empty utterance/text
maisru
x1=s1=m1 is the material environment/surrounding material (i.e. gaseous/liquid atmosphere, vacuum, etc.) enclosing x2=s2 in direction(s)/dimensions(s)/plane x3=s3=m3, of type/composition including x4=m2.