Truckle has 6 different meanings across 2 categories:
Noun · Verb
a low bed to be slid under a higher bed
A small wheel; a caster or pulley.
yield to out of weakness
try to gain favor by cringing or flattering
"He is always kowtowing to his boss"
To roll or move upon truckles, or casters; to trundle.
To act in a submissive manner; to fawn, submit to a superior.