What does "cup" mean?

Additional senses

1. 2.pl. Repeated potations; social or exessive indulgence in intoxicating drinks; revelry. Thence from cups to civil broils. Milton.
2. 3.That which is to be received or indured; that which is allotted to one; a portion. O my Father, if it be possible, let this cup pass from me. Matt. xxvi.
3. 4.5. Anything shaped like a cup; as, the cup of an acorn, or of a flower. The cowslip's golden cup no more I see. Shenstone.
4. 5.(Med.) A cupping glass or other vessel or instrument used to produce the vacuum in cupping. Cup and ball, a familiar toy of children, having a cup on the top of a piece of wood to which, a ball is attached by a cord; the ball, being thrown up, is to be caught in the cup; bilboquet. Milman.- Cup and can, familiar companions. -- Dry cup, Wet cup (Med.), a cup used for dry or wet cupping. See under Cupping. -- To be in one's cups, to be drunk.
5. 6.To supply with cups of wine. [R.] Cup us, till the world go round. Shak.
6. 7.(Surg.) To apply a cupping apparatus to; to subject to the operation of cupping. See Cupping.
7. 8.(Mech.) To make concave or in the form of a cup; as, to cup the end of a screw.