main frame

noun — 3 senses

main frame

noun
1

Alternative Alternative form of mainframe.

2

the rigid frame upon which the moving parts of a machine are mounted; 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:
3

Business, Manufacturing, Shipbuilding the widest structural frame located near the middle of a ship

Related terms
subframe

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.