Heelspur

• (n.) A slender bony or cartilaginous process developed from the heel bone of bats. It helps to support the wing membranes. See Illust. of Cheiropter.
Found on http://thinkexist.com/dictionary/meaning/heelspur/

Heelspur

Heel'spur` noun (Zoology) A slender bony or cartilaginous process developed from the heel bone of bats. It helps to support the wing membranes. See Illust. of Cheiropter .
Found on http://www.encyclo.co.uk/webster/H/27
No exact match found