Verb: Restrain or keep in check.Noun: A stone or concrete edging to a street or path.
Use it in a sentence:
I never thought I'd need to curb my excitement over the fact that a curb was poured, but I do.
Isn't it beautiful?
It might soon be followed by a road. After 6 months, I don't think I could curb that much excitement.
Oh, happy day!