Pronunciation: (ā'tē siks'),[key] —n. 1. a cardinal number, 80 plus 6.
2. a symbol for this number, as 86 or LXXXVI.
3. a set of this many persons or things.
4. Slang.a customer considered undesirable or unwelcome and refused service at a bar or restaurant.
—adj. 1. amounting to 86 in number.
2. Slang.sold out; out of stock.
—v.t.Slang. 1. to refuse to serve (an undesirable or unwelcome customer) at a bar or restaurant.
2. to reject; discard.