- closed or squeezed together tightly; "a clenched fist"; "his clenched (or clinched) teeth"
- (Clenching) The forceful holding together of the upper and lower teeth, which places stress on the ligaments that hold the teeth to the jawbone and the lower jaw to the skull.
- (clenching) The clamping and pressing of the jaws and teeth together in centric occlusion, frequently associated with psychological stress or physical effort.
- (Clenching) The habit of consciously or subconsciously squeezing the teeth together with extraordinary muscle force. See Bruxism.
- (Clenching) A parafunctional activity of the jaws that occurs mostly during daytime.
- (CLENCHING) Used in wirestitching (stapling). The wires are bent back towards each other after piercing the book and lie flat on the spine.
- (Clenching) Someone who clenches continually bites on things while awake. This might be chewing gum, a pen or pencil, or fingernails. The constant pounding on the joint causes the pain. Stress is often blamed for tension in the jaw, leading to a clenched jaw.
- used of a closed hand closet diminutive of bar