truckle \TRUHK-uhl\, intransitive verb:
1. To yield or bend obsequiously to the will of another; to act in a subservient manner.
2. A small wheel or roller; a caster.
Well that is the word for today!
See you on the morrow!
And here is a bonus word!
ob·se·qui·ous (b-skw-s, b-)
adj.
Full of or exhibiting servile compliance; fawning.