being in , texture, etc., than another item or object of identical use, quality, or function:
a lightweight topcoat; a lightweight alloy for ship construction.
without seriousness of purpose; trivial or trifling:
of or relating to a lightweight:
He’s the new lightweight contender.
(of a horse, especially a hunter) able to carry up to 165 pounds (75 kg).
a person of less than average .
Informal. a person who is of little influence, importance, or effect.
a boxer or other contestant intermediate in between a featherweight and a welterweight, especially a professional boxer weighing between 126 and 135 pounds (56.7–61 kg).
of a relatively light weight
not serious; trivial
a person or animal of a relatively light weight
a wrestler in a similar weight category (usually 115–126 pounds (52–57 kg))
(informal) a person of little importance or influence
also light-weight, 1773 in horse-racing, also in pugilism; from light (adj.1) + weight. Figurative sense of “inconsequential” first attested 1809.
Inconsequential; unserious (1809+)
: He seems like a lightweight to me, don’t pay him any attention (1882+)
noun, Nautical. 1. . jargon Opposite of heavy-weight; usually found in combining forms such as “light-weight process”. [Jargon File] (1996-02-22)
- Light-weight process
operating system, parallel (LWP) A single-threaded sub-process which, unlike a thread, has its own process identifier and may also differ in its inheritance and controlling features. Several operating systems, e.g. SunOS 5.x, provide system calls for creating and controlling LWPs. (1996-02-22)
- Light welterweight
[lahyt-woo d, -oo d] /ˈlaɪtˌwʊd, -ʊd/ noun, Southern U.S. 1. Also called fatwood. . 2. resinous pine used for .