flag in Irish

Any of various plants with sword-shaped leaves, especially irises; specifically, Iris pseudacorus.

A slab of stone; a flagstone, a flat piece of stone used for paving.

(nautical, often used attributively) A signal flag.

(computer science) A variable or memory location that stores a Boolean true-or-false, yes-or-no value, typically either recording the fact that a certain event has occurred or requesting that a certain optional action take place.

(computer science) A variable or memory location that stores a Boolean true-or-false, yes-or-no value, typically either recording the fact that a certain event has occurred or requesting that a certain optional action take place.

(internet slang, ACG) An indication that a certain outcome or event is going to happen, deduced not logically or causally, but as a pattern in a piece of media. Chiefly used in video games and adjacent media, especially visual novels, it is typically described as being raised or set by the plot or words of a character.