pro·​pri·​o·​cep·​tor ˌprō-prē-ō-ˈsep-tər How to pronounce proprioceptor (audio)
: a sensory receptor (such as a muscle spindle) excited by proprioceptive stimuli (such as changes in limb position)

Word History


New Latin, from Latin proprius + New Latin -ceptor (as in receptor)

First Known Use

1906, in the meaning defined above

Time Traveler
The first known use of proprioceptor was in 1906

Dictionary Entries Near proprioceptor

Cite this Entry

“Proprioceptor.” Dictionary, Merriam-Webster, Accessed 30 Nov. 2023.

Medical Definition


pro·​prio·​cep·​tor -ˈsep-tər How to pronounce proprioceptor (audio)
: a sensory receptor that is located deep in the tissues (as in skeletal or heart muscle, tendons, the gastrointestinal wall, or the carotid sinus) and that functions in proprioception (as in response to changes of physical tension or chemical condition within the body)

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