Word: ringback
Part of speech: Noun
Syllables: ring
back
Definition: The sound transmitted back to a caller to indicate that the telephone they are calling is ringing.
Morphemes:
Affix: ring
Language: en
PoS: Verb
Meaning: To produce (a sound) by ringing.
Affix: back
Language: en
PoS: Verb
Meaning: To write upon the back of, possibly as an endorsement.