Word.ws English Dictionary

semis

/ˈsɛmiːz/

semis is the plural of semi.

Meaning of semi

Noun

semi (plural semis)

  1. (Australia, Canada, Ireland, UK, informal) A semi-detached house.
    • I′m selling two side-by-side semis that are currently under construction, a waterfront apartment and a house in Rose Bay.2008, Elliott Placks, quoted in Helen Isbister, Morris Bryant, Property, Career FAQs, Australia, page 40
  2. (Australia, Canada, New Zealand, US) A semi-trailer; a tractor-trailer; an eighteen-wheeler; an artic.
    • I was hungry an' freezin' an' done caught a chill / When the lights of a big semi topped the hill1967, Tommy Faile, “Phantom 309”, performed by Red Sovine
  3. (informal) A semifinal.
  4. (slang) A partial erection of the penis.
    • The twink got a semi just from that look.2010, Mickey Erlach, Video Boys, page 158
  5. (slang) A semiautomatic firearm.
    • See these niggas through the reticle sight up on my semi
      […]
      For niggas plottin', I might blow it at your fitted
      Get your bitch-ass slimed out, it ain't no kiddin'
      Ain't no kiddin', got that semi2023 April 28, “Got Dat Muneh” (track 10, 0:48 from the start), in Summrs (lyrics), GHOST
  6. (slang) Semiconductor companies or positions in the stock market.

See all 8 meanings of semi

Noun

IPA/ˈsɛmɪs/

semis (plural semises)

  1. (historical) A small bronze coin minted during the Roman Republic, valued at half an as.

Forms of semis

pluralsemises

Origin of semis

Borrowed from Latin sēmis.

Words that rhyme with semis

Questions about semis

What does semis mean?
Semis means a small bronze coin minted during the Roman Republic, valued at half an as.
What is semis the plural of?
Semis is the plural of semi.
What part of speech is semis?
Semis is a noun.
How do you pronounce semis?
Semis is pronounced /ˈsɛmiːz/.
What is the plural of semis?
The plural of semis is semises.

Words near semis in the dictionary

  1. semirounded
  2. semiroundly
  3. semiroyal
  4. semirural
  5. semirustic
  6. semis
  7. semisacerdotal
  8. semisacred
  9. semisad
  10. semisagittate
  11. semisaline

Source and license

Adapted from Wiktionary: semis (page history and authors); semi (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Vealhurl-semis (pl).wav.

Cite this entry: “semis.” Word.ws, https://word.ws/semis. Based on Wiktionary, CC BY-SA 4.0.