display | more...

Spon"sor (?), n. [L., from spondere, sponsum, to engage one's self. See Spose.]

1.

One who binds himself to answer for another, and is responsible for his default; a surety.

2.

One who at the baptism of an infant professes the Christian faith in its name, and guarantees its religious education; a godfather or godmother.

 

© Webster 1913.