High interest rates put a curb on spending.
An example of curb is what someone has to step down from to step onto a street.
An example of to curb is to drink lots of water before going to sleep after a night of drinking alcohol to control or avoid a hangover.
To curb an impulse.
Origin of curb
- Blend of Middle English curved piece of wood (from Old French corbe curved object) (from corbe curved) (from Latin curvus) Middle English corbe horse strap (from corben to bow down, halt) (from Old French corber to bow down) (from Latin curvāre) (from curvus curved, bent sker-2 in Indo-European roots)
From American Heritage Dictionary of the English Language, 5th Edition
- From Middle French courbe (“curve, curved object”), from Latin curvus (“bent, crooked, curved”).