(idiomatic) To think, especially in a careful or clever manner.

(idiomatic) To think carefully, especially as an alternative to being guided by one's emotions. / (humorous) To headbutt.

(law) A person for whose use land, etc., is granted to another.

(UK) Exclamation of astonishment.

A state of opposition between two groups, mostly based on group membership.

plural of therapeutic use exemption

(sports pharmacology) an exemption to allow use of a banned substance for therapeutic purposes so that a ban from competition will not result when testing returns positive results

(archeology) A technique for identifying the functions of artefact tools by closely examining their working surfaces and edges.

(simile) Totally useless.

plural of private-use character