Thesaurus Dictionary
Synonyms and antonyms of Holes and openings in surfaces in American Thesaurus
Holes and openings in surfaces
blowhole (noun)
a hole in the surface of ice that ocean animals such as whales and seals use to breathe through
cranny (noun)
a long narrow hole, especially in a wall or rock
fissure (noun)
a long deep crack in something, especially the ground
indentation (noun)
indentation (noun)
wormhole (noun)
a hole made by a worm