extensors From WikiWord, the free dictionary English Contents DefinitionsRelated wordsReferences DefinitionsnounA muscle whose contraction extends or straightens a limb or body part. Related wordsSynonymsextensor muscleextensileextendersextenuatesextensivenessextenuatedextensityextensionalextenderextensibleextentionextendsextensometerflexorsextendedextensions References Wiktionary — extensors Wikipedia — extensors