XWord.com

Answer:
L
O
O

We have spotted LOO (3 Letters) a total of 339 times in our database. Below you may see the clues associated with LOO and also when and where was it last seen:

Definition

An old game played with five, or three, cards dealt to each player from a full pack. When five cards are used the highest card is the knave of clubs or (if so agreed upon) the knave of trumps; -- formerly called lanterloo.
A modification of the game of "all fours" in which the players replenish their hands after each round by drawing each a card from the pack.
To beat in the game of loo by winning every trick.

Referring crossword puzzle clues

Usage among publishers: