Word: asscracks
Part of speech: Noun
Syllables: asscracks
Definition: Plural of asscrack;  is the groove between the buttocks that runs from just below the sacrum to the perineum, so named because it forms the visible border between the external rounded protrusions of the gluteus maximus muscles
Morphemes:
Affix: asscrack
Language: en
PoS: Noun
Meaning: Alternative form of ass crack. The gluteal cleft.
Affix: -s
Language: en
PoS: Suffix
Meaning: Used to form many pluralia tantum (nouns that are almost or entirely without singular forms).