Definitions

1. verb

to remove a collar from something, especially a horse.

“The groom had to uncollar the horse before riding it.”

2. verb

to remove a collar or other encircling device from someone or something.

“The police officer had to uncollar the suspect and read them their rights.”

3. verb

to free or release someone or something from a restrictive or constricting situation.

“The activist group worked to uncollar the city from its restrictive zoning laws.”