[tib-ee-oh-tahr-suh s]
noun, plural tib·i·o·tar·si [tib-ee-oh-tahr-sahy] /ˌtɪb i oʊˈtɑr saɪ/. Ornithology.
  1. the main bone of the leg of a bird, between the femur and tarsometatarsus, formed by the fusion of several tarsal bones with the tibia.

Origin of tibiotarsus

First recorded in 1880–85; tibi(a) + -o- + tarsus
Related formstib·i·o·tar·sal, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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Historical Examples of tibiotarsus

British Dictionary definitions for tibiotarsus


  1. the bone in the leg of a bird formed by fusion of the tibia and some of the tarsal bones

Word Origin for tibiotarsus

C19: from tibio- (combining form of tibia) + tarsus
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012