Osler node

[ŏslər, ŏz-]
n.
  1. A small, raised, and tender cutaneous lesion that is characteristic of subacute bacterial endocarditis, usually appearing in the pads of fingers or toes.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.