Word.ws English Dictionary

main frame

main frame noun: the rigid frame upon which the moving parts of a machine are mounted; a chassis. Also the alternative form of mainframe.

Noun

main frame (plural main frames)

  1. The rigid frame upon which the moving parts of a machine are mounted; a chassis.
    • The main frames are of 1¼-in. thick plates spaced 3 ft. 2½ in. apart, the centre lines coinciding with the centre of the axlebox guide faces.1951 March, “British Railways Standard "Britannia" Class 4-6-2 Locomotives”, in Railway Magazine, page 186
  2. The widest structural frame located near the middle of a ship.

Also used as

main frame is also the alternative form of mainframe.

Forms of main frame

pluralmain frames

Questions about main frame

What does main frame mean?
Main frame means the rigid frame upon which the moving parts of a machine are mounted; a chassis.
What part of speech is main frame?
Main frame is a noun.
What is the plural of main frame?
The plural of main frame is main frames.

Words near main frame in the dictionary

  1. main droite
  2. main earth
  3. main earths
  4. main event
  5. main events
  6. main frame
  7. main frames
  8. main gauche
  9. main gear
  10. main gears
  11. main group

Source and license

Adapted from Wiktionary: main frame (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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