say it: FLEK-shuhn
flexion is a noun meaning "the state of being flexed (as of a joint)". It carries 3 recorded senses.
the state of being flexed (as of a joint)
deviation from a straight or normal course
act of bending a joint; especially a joint between the bones of a limb so that the angle between them is decreased
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for flexion come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.