Word.ws English Dictionary

R2-D2

R2-D2 noun: the Phalanx CIWS, an automated gun-based close-in weapon system to defend military watercraft against incoming threats such as aircraft, missiles, and small boats.

Noun

R2-D2 (plural R2-D2s)

  1. (slang) The Phalanx CIWS, an automated gun-based close-in weapon system to defend military watercraft against incoming threats such as aircraft, missiles, and small boats.

Forms of R2-D2

pluralR2-D2s

Origin of R2-D2

From the name of a similar-looking robot character in the film Star Wars.

Questions about R2-D2

What does R2-D2 mean?
R2-D2 means the Phalanx CIWS, an automated gun-based close-in weapon system to defend military watercraft against incoming threats such as aircraft, missiles, and small boats.
What part of speech is R2-D2?
R2-D2 is a noun.
What is the plural of R2-D2?
The plural of R2-D2 is R2-D2s.

Words near R2-D2 in the dictionary

  1. r0x0rs
  2. R1
  3. R100
  4. R100s
  5. R16
  6. R2-D2
  7. R2-D2s
  8. R2I
  9. R2P
  10. R2R
  11. R32

Source and license

Adapted from Wiktionary: R2-D2 (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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Cite this entry: “R2-D2.” Word.ws, https://word.ws/r2-d2. Based on Wiktionary, CC BY-SA 4.0.