noun

• (obsolete, law) A declaration made in writing, stating some wrong the complainant has suffered from the defendant, or a fault committed by some person against a law.
  "... the legion of bills in the suit have been transformed into mere bills of mortality ..."
• (US, Canada) A piece of paper money; a banknote.
  "He gave the change for a three dollar bill. Upon examination, the bill proved to be counterfeit."
• (US, Canada) A piece of paper money; a banknote.
  "There was no excuse, simply no excuse for not making four or five bills a week. A little initiative, that's all."
• (slang, UK) One hundred pounds sterling.
  "In the conversation Henshall says he "struggling to find people to go up the roads" explaining how it would be "no good for black people" and how they need a "young white boy to go up there". Stock agrees, saying how he knows "this kid" who "owes me 12 bills"."

verb

• (transitive) To advertise by a bill or public notice.
  "[...] it will be recalled that in 1960 they were billed as the long-distance express multiple-units of the future, [...]."
• (transitive) To charge; to send a bill to.
  "The physician explains that this is an option for her and that she can sign the facility's ABN so that if Medicare denies the claim, the facility can bill her for the scan."

noun

• (zootomy) The beak of a bird, especially when small or flattish; sometimes also used with reference to a platypus, turtle, or other animal.
  "The woosel cock so black of hue, With orange-tawny bill, The throstle with his note so true, The wren with little quill[…]"

verb

• (obsolete) to peck