飛節 is read as ひせつ (hisetsu) and means hock.
ひせつ
hisetsu
とびななふし
Micadina phluctaenoides (species of stick insect)
ひやく
leap
ひこうし
pilot
ひきゃく
express messenger
ひこうてい
flying boat
ひしょう
flight
ひこうたい
flying corps
ひこうめんじょう
flying certificate
ひやくてき
tremendous
とびきゅう
skipping a grade
ひろうす
deep-fried tofu mixed with thinly sliced vegetables
ひこうきよい
airsickness