Quick Definition
σφυρόν, οῦ, τό n.n. the ankle bone
Strong's Definition
neuter of a presumed derivative probably of the same as sphaira (a ball, "sphere"; compare the feminine sphura, a hammer); the ankle (as globular)
KJV Usage: ancle bone
UBS Dictionary of the Greek New Testament
noun, n. | -οῦ
8.51 · Body, Body Parts, and Body Products · Parts of the Body
ankle the joint connecting the foot to the leg
UBS Dictionary of the Greek New Testament © United Bible Societies, licensed CC BY-SA 4.0.
Thayer's Greek Lexicon
σφυδρόν, -οῦ, τό, i. 4. σφυρόν, q. v.: Acts iii. 7 T WH. (Hesych. σφυδρά- ἡ περιφέρεια τῶν ποδῶν.)
Abbott-Smith Greek Lexicon
*† σφυδρόν, -οῦ, τό = σφυρόν,
the ankle: Ac 3:7 (v. Bl., § 6, 8).†
Moulton & Milligan — Vocabulary of the Greek NT
σφυδρόν, “Cankle-bone.” New instances of this rare form (for σφυρόν) in Ac 37 N* B* C* are cited by Cadbury (781 xlv. (1926), p. 200) from the iii/A.D. (?) palmomantic P Flor III. 391% 56, He rightly notes that ‘*‘ probably neither the common nor the uncommon spelling is distinctly medical” (contrast Hobart p. 35, Harnack Luke the Physician, p- 191).
Liddell-Scott-Jones — Greek-English Lexicon
σφυρόν (sphuron) — ankle. σφῠρ-όν, τό, ankle, κνῆμαί τε ἰδὲ σφυρά [Refs 8th c.BC+]; ὀρθῷ ἔστασας ἐπὶ σφυρῷ (metaphorically) [Refs 5th c.BC+]; μονόχαλα σ., of a horse, [Refs]; τὸ σ. ἐξεκόκκισε put out his ankle, [Refs 5th c.BC+]; τὸ ἔσχατον ἀντικνημίου σ. [Refs 4th c.BC+]; σ. Ἰφίκλειον the ankle of Iphiclus (the runner), [Refs 3rd c.BC+]
II. metaphorically, the lower part or edge, foothills, of a mountain, ἐν Παλίου σφυροῖς [Refs 5th c.BC+]; Λιβύας ἄκρον σφυρόν the very furthest part of Libya, [Refs 3rd c.BC+]