tub (tubs plural )
1 n-count A tub is a deep container of any size.
He peeled the paper top off a little white tub and poured the cream into his coffee...
A tub of something is the amount of it contained in a tub., n-count N of n
2 n-count A tub is the same as a bathtub.
(AM)
(=bath)
She lay back in the tub.
hot tub (hot tubs plural )A hot tub is a very large, round bath which several people can sit in together. n-count