A block (cuboid) with holes in it of varying sizes, designed for various-sized burs (drill bits).

plural of block heater

plural of block polymer

Alternative spelling of blocklike

A single-shot firearm action in which a solid metal breechblock slides vertically in grooves cut into the breech of the rifle and actuated by a lever.

(transitive) To completely block or obstruct. / (intransitive) To be completely blocked or obstructed. / (transitive) To raise on blocks.

(transitive) to prevent from entering or penetrating. / (idiomatic, transitive) to prevent (a thought) from entering one's mind. / (transitive) to cover something, so as to make it impossible to see.

A wooden block built into the interior of a wall or floor, running perpendicular to stud and joist cavities, especially in balloon-frame construction, intended to inhibit the spread of fire within stud and/or joist cavities.

plural of gapers' block

gauge block