(medicine) An anesthetic (anesthetic substance) that causes loss of sensation only to the area to which it is applied.

(chiefly US) In a multi-lane controlled-access highway or expressway system, a lane which is physically separated from the (express) lane(s) closest to the median and which is intended for vehicles traveling relatively shorter distances, so that these vehicles may enter and exit the highway system without unduly interrupting the flow of traffic.

(astronomy) A region of interstellar space containing about one tenth the average density of matter of our galaxy.

(algebra) A commutative ring with a unique maximal ideal, or a noncommutative ring with a unique maximal left ideal or (equivalently) a unique maximal right ideal.

plural of local ring

(mathematics) A point on a graph (or its associated function) whose value is less than all other points near it.

A condition in which a certain part of the body acquires larger than normal size due to excessive growth of the anatomical structures or abnormal accumulation of substances.

(mathematics) A maximum within a restricted domain, especially a point on a function whose value is greater than the values of all other points near it.

A sports match between local rival teams.

(astronomy) The small cluster of galaxies that contains the Milky Way Galaxy; includes Andromeda, Triangulum, the Large Magellanic Cloud, Small Magellanic Cloud and others.