Johnson bar

noun — 3 senses

Johnson bar

noun

Etymology The reinforcing bar was invented by A. L. Johnson of the St. Louis Expanded Metal Company.

1

A corrugated metal bar used to reinforce concrete.

2

A hand lever on various vehicles.

3

A lever-dolly (similar to a crowbar) for moving heavy apparatus.

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