block (def 2).
one of a set of cube-shaped blocks used by children to make simple constructions.
a basic element or component:
the building blocks of proteins.
a block of stone or other material, larger than a brick, used in building
a component that fits with others to form a whole: standardized software building blocks
another name for (the child’s toy) block
See under code (def 3). a system for communication by telegraph, heliograph, etc., in which long and short sounds, light flashes, etc., are used to symbolize the content of a message: Morse code. a system used for brevity or secrecy of communication, in which arbitrarily chosen words, letters, or symbols are assigned definite meanings. any […]
(on a building lot) a line within, or coinciding with, the property line, beyond which it is illegal to build. noun the boundary line along a street beyond which buildings must not project
heavy paper used especially in the construction of frame buildings to block drafts, for insulation, etc. Historical Examples Convenient Houses Louis Henry Gibson Dwellers in Arcady Albert Bigelow Paine The Dollar Hen Milo M. Hastings The Minute Man of the Frontier W. G. Puddefoot The Dollar Hen Milo M. Hastings Adventures in Alaska Samuel Hall […]
an official certificate of permission issued by local authorities to a builder to construct, enlarge, or alter a building.