Home › Words › P › paratenonparatenonparatenon · noun — A fatty areolar tissue that fills the interstitia within the fascia where a tendon is located.Definition from Wiktionary (CC BY-SA 3.0).Among words judged in Lexicurio's Arena, paratenon ranks #17,086 of 43,279 for Qualifying.EtymologyFrom para- + Ancient Greek τένων (ténōn, “tendon”).nounA fatty areolar tissue that fills the interstitia within the fascia where a tendon is located.Definitions & examples from Wiktionary (CC BY-SA 3.0).