canlu -cal-ca'u- gismu

x1 is space/volume/region/room [at-least-3-dimensional area] occupied by x2.

Also occupy (= selca'u). See also kensa, bliku, kumfa, kevna, kunti, tubnu, dekpu.


In notes:

bliku
x1 is a block [3-dimensional shape/form] of material x2, surfaces/sides x3.
dekpu
x1 is x2 (default 1) local volume unit(s) [non-metric; e.g. bushel], standard x3, x4 subunits.
kensa
x1 is outer space near/associated with celestial body/region x2.
kevna
x1 is a cavity/hole/hollow/cavern in x2; x1 is concave within x2; x2 is hollow at locus x1.
kumfa
x1 is a room of/in structure x2 surrounded by partitions/walls/ceiling/floor x3 (mass/jo'u).
kunti
x1 [container] is empty/vacant of x2 [material]; x1 is hollow.
tubnu
x1 is a length of tubing/pipe/hollow cylinder [shape/form] of material x2, hollow of material x3.
caljvetei
c1=t1 is space-time occupied by c2.
caltaicmaci
cm1 is a geometry describing cm2=ca1=t1 geometric object.
selca'u
x2=c1 is space/hyperspace/volume/region/room occupied by x1=c2.
ditcu
x1 is the time-duration/interval/period/[elapsed time] of event x2.