RichThesaurus
ostium
ostium
synonyms
hole
inlet
pore
hydathode
foramen
ostiole
opening
aperture
vent
stoma
outlet
orifice
crypt
channel
hiatus
meatus
tide
head
bank
hatch
lay
atrium
pass
mouth
lumen
wall
dump
cranny
pothole
womb
passage
pocket
estuary
receptacle
recess
bottom
course
rift
scoop
reservoir
case
bunny
excavation
crack
pipe
leak
slit
crevasse
dyke
cavity
more synonyms
ostium
antonyms