(law) bill (draft UK law) / (Canada) bill (invoice in a restaurant etc)

ticket / note, a brief message / banknote

to turn a piece of wood placed on a support / to flatten dough with a rolling pin / to place balls of solder on a component in preparation for welding to a printed circuit board

a banknote, physical unit of paper currency

billiards / pool table / operating table

(literally) on the pool table / (idiomatic) on the operating table; to be under the knife

(informal) to go under the knife (to undergo a surgical procedure)

plural of billard

third-person singular past historic of biller

billet-doux