talus









talus


noun, plural ta·li [tey-lahy] /ˈteɪ laɪ/. Anatomy.

  1. the uppermost bone of the proximal row of bones of the tarsus; anklebone.

noun, plural ta·lus·es.

  1. a slope.
  2. Geology. a sloping mass of rocky fragments at the base of a cliff.
  3. Fortification. the slope of the face of a work.

noun plural -li (-laɪ)

  1. the bone of the ankle that articulates with the leg bones to form the ankle jointNontechnical name: anklebone

noun plural -luses

  1. geology another name for scree
  2. fortifications the sloping side of a wall

n.1“anklebone,” 1690s, from Latin talus “ankle, anklebone, knucklebone” (plural tali), related to Latin taxillus “a small die, cube” (they originally were made from the knucklebones of animals). n.2“slope,” 1640s, from French talus (16c.), from Old French talu “slope” (12c.), probably from Gallo-Romance *talutum, from Latin talutium “a slope or outcrop of rock debris,” possibly of Celtic origin (cf. Breton tal “forehead, brow”). OED, however, suggests derivation from root of talus (1) in the sense of “heel” which developed in its Romanic descendants. Mainly used of military earthwork at first; meaning “sloping mass of rocky fragments that has fallen from a cliff” is first recorded 1830. n. pl. ta•li (-lī′)

  1. The bone of the ankle that articulates with the tibia and fibula to form the ankle joint.anklebone astragalus
  2. The ankle.

Plural tali (lī′)

  1. The bone of the ankle that articulates with the tibia and fibula to form the ankle joint.

Plural taluses

  1. Rock fragments that have accumulated at the base of a cliff or slope.♦ The concave slope formed by such an accumulation of rock fragments is called a talus slope.

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