Definition of phlegm for English Language Learners. : 1  a thick, yellowish liquid that is produced in the nose and throat especially when a person has a cold. : 2  calmness in a difficult or unpleasant situation.
Kneecap (Patellar) Subluxation. A subluxing patella (kneecap) is a temporary, partial dislocation of the kneecap from its normal position in the groove in the end of the thigh bone (femur). This groove is located between two bumps at the end of the thigh bone called the femoral condyles.
Subluxation is defined as a dislocation of the vertebrae that chiropractors believe causes many health problems. When the vertebrae around your spine are slightly shifted, causing you to experience back and neck pain, this is an example of a subluxation. a partial dislocation of a bone from a joint. Origin of subluxation.