Admission to an event, when particularly desirable or hard to obtain. / (by extension) A thing that is currently enjoying great popularity.

(Britain, criminal, slang) To abduct someone, or to hold someone hostage, in order to persuade someone else to assist in a crime.

(Britain, criminal, slang) An abduction or hostage-taking of this kind.

(rail transport, US) A heavy, preserved piece of hewn timber laid crossways to and supporting the rails of a railroad or a member of similar shape and function of another material such as concrete.

(idiomatic) A seemingly fierce or powerful person, country or organisation without the ability to back up their words; apparently powerful but actually ineffective.

A necktie consisting of a heavy cord held in front by an ornamental clasp or slide.

An algal bloom of sufficient quantity to cause discoloration (often red) in a body of water; red tides can potentially cause irritation or death to exposed creatures.

(idiomatic) To amuse; to make someone laugh, to be humorous to someone.

(idiomatic) A well-organized and highly disciplined organization.

(nautical) The flow of water caused by the rise and fall of the tide.