bamboo

A fast-growing grass of the Bambusoideae subfamily, characterised by its woody, hollow, round, straight, jointed stem.

(uncountable) The wood of the bamboo plant as a material for building, furniture, etc.

(countable) A stick, rod, pole, or cane of bamboo, especially one used for corporal punishment.

(slang) A didgeridoo.

(slang) A member of the British military or British East India Company who spent so much time in Indonesia, India, or Malaysia that they never went back home.