From en.wiktionary.org:
[speedo]
** English
*** Alternative forms
- [en]
*** Etymology
From the name of the swimsuit company, [Speedo], which first designed and manufactured swimwear in Australia that was briefer and sleeker than most other swimwear then available.
*** Pronunciation
- [en] - [en]
*** Noun
[en-noun]
1. [en] A tight-fitting swimsuit , especially commonly worn by competitive swimmers and divers. Usually implies a brief or bikini style swimsuit. 2. * [en] 3. * {{ quote-text | en | year=1999 | author=Cheryl Rilly | title=Great Moments In Sex | page=227 |passage=These muscle-bound hard bodies are wearing SPEEDO Lycra bikinis which stick to a man's body like a woman's wet T-shirt.}}
1. * {{ quote-text | en | year=2014 | author=Norah McClintock | title=#3 Dead And Gone | page=12 |passage=There were dozens of girls in there - girls on the deck in bathing suits, most of them SPEEDOS because they were racing.}}
1. * {{ quote-text | en | year=2016 | author=John Early | title=Tales of a Modern Nomad: Monks Mushrooms and Other Misadventures | page=59 |passage=Ryan and I remain unmoved, standing at the edge of the water as five SPEEDO-CLAD lifeguards rush up to us.}}
1. [en] [en] A male swimsuit, very tight fitting and small, brief-style, and not a thong-type.
**** Usage notes
In US English _a Speedo_ is used for the singular. In Australian English, _Speedos_ is used for both the singular and the plural.
**** Synonyms
- _See_ Thesaurus:swim briefs
*** See also
- jockey shorts - BVDs
*** Anagrams
- [en] [en]