(intransitive, often with of) To notice; to take note.

(idiomatic, transitive) To ignore.

A board, hanging on a wall, on which notices and announcements are posted. / (Internet) An online forum where users can post and read messages.

Used other than figuratively or idiomatically: see give, notice. / (idiomatic) To announce one's intent to leave a job; to inform an employer that one is leaving.

plural of notice board

(law) A warning endorsed on a court order, notifying the recipient that he or she is liable to committal to prison for breach of the order.

(law) Notice of a fact which is created by operation of law, despite a lack of actual notice.

(law) In the law of evidence, the power of a court to deem the burden of proof to be established as to a particular fact without the introduction of evidence, because the fact is one that is a matter of common knowledge, or is readily demonstrated by reference to sources of unquestionable authority.

(UK, historical) A defence notice; an official request to news editors not to publish or broadcast items on specified subjects for reasons of national security (replaced in 1993 with the DA-notice).

(UK) A defence advisory notice, an official (but unenforceable) request to news editors not to publish or broadcast items on specified subjects for reasons of national security.