Dictionary

jam-up en · ADJ

Meanings

1. (US, dialectal, not-comparable) Splendid; wonderful; upstanding.
   • Pete's a real jam-up guy.

jam-up en · NOUN

Meanings

1. The situation where material becomes jammed in a machine, or some process similarly grinds to a halt.
   • Record the number and location of jam-ups, the number of cans inspected and the number of metal fragments found. 2012, R.J. Footitt, A.S. Lewis, The Canning of Fish and Meat, page 151:
   • The rationale goes something like this: Increasing line speeds, complex packaging equipment, and ever-lighter-weight containers and packaging materials make jam-ups likely—usually many per day. 2010, Richard J. Schonberger, World Class Manufacturing: The Next Decade:

Forms