foot rule

a ruler one foot (30.48 cm) in length.

Origin of foot rule

First recorded in 1720–30

My foot-rule, my rough scale plans and piled-up figures of cubic capacity and surficial area carried all before them.

A Floating Home |Cyril Ionides
When you have twisted sufficient yarn to attach to the end of a foot-rule, do so.

Textiles |William H. Dooley
There's a foot-rule in my new joinering box if you'll let me go and fetch it!

Loyal to the School |Angela Brazil
I'm a pretty poor sort of specimen still, but at least I don't imagine I can measure life with a foot-rule.

The Man Upstairs |P. G. Wodehouse

He picked up a cork and a foot-rule, tossed the cork, and sent it flying out of the window with the foot-rule.

Philosophy 4 |Owen Wister

foot rule

a rigid measure, one foot in length