(geometry) A triangle having a right angle as one of its interior angles.

hard to deal with, complicated / adept at using deception / (colloquial, slang) Relating to or associated with a prostitution trick

(hydrology) A natural water stream that flows into a larger river or other body of water. / A nation, state, or other entity that pays tribute.

Related to the paying of tribute. / subordinate; inferior / Yielding supplies of any kind; serving to form or make up, a greater object of the same kind, as a part, branch, etc.; contributing.

(mythology, literature) Any of numerous figures featuring in various mythologies and folk traditions, who use guile and secret knowledge to challenge authority and play tricks and pranks on others; any similar figure in literature.

Something designed to fool or swindle. / A single element of a magician's (or any variety entertainer's) act; a magic trick. / An entertaining difficult physical action.

(transitive) To fool; to cause to believe something untrue; to deceive. / (heraldry) To draw (as opposed to blazon - to describe in words).

Involving trickery or deception. / Able to perform tricks. / Defective or unreliable. / (chiefly US, slang) Stylish or cool.

Assessment or sorting according to quality, need, etc., especially to determine how resources will be allocated.

(chiefly medicine) To subject to triage; to prioritize.