xamsi -xas- gismu

x1 is a sea/ocean/gulf/[atmosphere] of planet x2, of fluid x3; (adjective:) x1 is marine.

Also atmosphere (= varxamsi, varsenta). See also daplu, djacu, lalxu, rirxe, tumla, vacri, zbani, ctaru.


In notes:

ctaru
x1 is a tide [cyclical/periodic expansion] in x2 caused by x3.
daplu
x1 is an island/atoll/key of [material/properties] x2 in surroundings/body x3; x1 is insular.
djacu
x1 is made of/contains/is a quantity/expanse of water; (adjective:) x1 is aqueous/[aquatic].
lalxu
x1 is a lake/lagoon/pool at site/within land mass x2.
polno
x1 reflects Polynesian/Oceanian (geographic region) culture/nationality/languages in aspect x2.
rirxe
x1 is a river of land mass x2, draining watershed x3 into x4/terminating at x4.
tumla
x1 is a parcel/expanse of land at location x2; x1 is terrain.
vacri
x1 is a quantity of air/normally-gaseous atmosphere of planet x2, of composition including x3.
zbani
x1 is a bay in/of coast/shoreline x2.
bloklu
k1 is the maritime culture of nation/ethos k2.
blotcana
t1 is a seaport/ferry terminal in transport system t2 for boats/ships/vessels of type b2 propelled by b3.
blozeile'a
l1=b2 is a pirate aboard pirate ship b1, stealing l2, which is wrong according to z2.
brajau
x1 is a big expanse of water, river/sea/lake
braxamsi
x1=b1 is an ocean on planet x2 (default Earth) of fluid x3.
cakcurske
x1 is malacology based on methodology x2.
varxamsi
x1 is the atmosphere of planet x2=v2 (default Earth) of composition v3.
varxasyske
s1 is the atmospheric science of planet x2.
xasycurnu
c1 is a sea worm of species c2.
xasydanti
d1 is a torpedo launched by d2.
xasyjbama
j1 is a sea mine with explosive material/principle j2.
xasyjukni
j1 is a crab/lobster/crayfish/shrimp/krill/[marine crustacean] of species j2.
xasyske
s1 is the oceanography/marine science of planet x2.
salni
x1 is salty/briny to observer x2.
delfinu
x1 is a dolphin/porpoise of species/breed x2.
kircaiu
x1 is a shark of species x2
odbenu
x1 is a walrus of breed x2.
tetfusi
x1 pertains to the Tethys Ocean in aspect x2, at time/in configuration x3
volmna
x1 flies/swims through fluid x2 using means of propulsion/lift x3.
no'ordo'yxas
Baltic Sea
xas
Sea