tubtub /tʌb/ ●●● S3 noun [countable] 1
a large container in which you sit to wash yourself SYN bathtub: I’m going to go get in the tub. → see also hot tub2an open container that is usually round, and whose sides are usually shorter than the width of its base: a tub of popcorn a plastic tub full of dirty dishes3 (also tubful) the amount of liquid, food, etc. that a tub can contain4disapproving someone who is short and fat5informal an old boat that is in bad condition: You’re not going out in that old tub, are you? [Origin: 1300–1400 Middle Dutch tubbe]
a large container in which you sit to wash yourself SYN bathtub: I’m going to go get in the tub. → see also hot tub2an open container that is usually round, and whose sides are usually shorter than the width of its base: a tub of popcorn a plastic tub full of dirty dishes3 (also tubful) the amount of liquid, food, etc. that a tub can contain4disapproving someone who is short and fat5informal an old boat that is in bad condition: You’re not going out in that old tub, are you? [Origin: 1300–1400 Middle Dutch tubbe]