tib·i·a (tĭb'ē-ə)
n., pl., -i·ae (-ē-ē'), or -i·as.

1. 1. The inner and larger of the two bones of the lower human leg, extending from the knee to the ankle.
   2. A corresponding bone in other vertebrates. Also called shinbone.
2. The fourth division of an insect's leg, between the femur and the tarsi.
3. Music. An ancient flute.

[Latin tībia, pipe, shinbone.]

tibial tib'i·al adj.

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The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.

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