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Meaning of main frame | Babel Free

Noun CEFR B2

Definitions

the rigid frame upon which the moving parts of a machine are mounted; chassis
the widest structural frame located near the middle of a ship

Examples

“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.”

CEFR level

B2

Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

See also

main gauche main gear main group main group element main guard main house