(transitive) To acquire or obtain. / (transitive) To obtain a person as a prostitute for somebody else. / (transitive, criminal law) To induce or persuade someone to do something.

(mineralogy) A monoclinic-prismatic mineral containing aluminum, hydrogen, oxygen, phosphorus, and vanadium.

(physiology) The reaction of body tissues to nitric oxide, nitrous oxide or similar species at levels greater than can be neutralized.

A 42.195 kilometre (26 mile 385 yard) road race. / (figuratively, by extension) Any extended or sustained activity.