great pastern bone
- See under pastern.
- the part of the foot of a horse, cow, etc., between the fetlock and the hoof.
- either of the two bones of this part, the upper or first phalanx (great pastern bone) and the lower or second phalanx (small pastern bone), between which is a joint (pastern joint).
Origin of pastern
- the part of a horse's foot between the fetlock and the hoof
- Also called: fetter bone either of the two bones that constitute this part
Word Origin for pastern
Word Origin and History for great pastern bone
late 13c., "shackle fixed on the foot of a horse or other beast," from Old French pasturon (Modern French paturon), diminutive of pasture "shackle for a horse in pasture," from Vulgar Latin *pastoria, noun use of fem. of Latin pastorius "of herdsmen," from pastor "shepherd" (see pastor). Metathesis of -r- and following vowel occurred 1500s. Sense extended (1520s) to part of the leg to which the tether was attached.