A place or locality, especially a centre of activity or the scene of a crime. / (mathematics) The set of all points whose coordinates satisfy a given equation or condition.

(neurology) A small nucleus located bilaterally in the pons. / (neurology) A nucleus which contains norepinephrine and has projections to most of the brain.

(law) A right to appear in a court of law; legal standing. / Acknowledged position or status.

An authoritative passage from a standard work that is often quoted as an illustration; a classic case or example. / (biology) The locality from which a taxon was first described.

(law) The opportunity to withdraw from an ongoing process of committing oneself to an obligation, before such commitment is finalized; specifically, the opportunity to abstain from committing an intended crime before it is too late.

(genetics) Any DNA sequence that exists in multiple copies strung together in various tandem lengths.

A North American deciduous tree (Gleditsia triacanthos) having fragrant flowers, hard red wood, and conspicuous thorns.

A kind of beetle, Megacyllene robiniae, that feeds as a larva on black locust trees in eastern North America.

(intransitive) To come in a swarm.

Any of the grasshoppers, often polyphenic and usually swarming, in the family Acrididae that are very destructive to crops and other vegetation, (especially) the migratory locust (Locusta migratoria).