crab yaws
[f. crab n.1 + yaws.]
The West Indian name of a kind of yaws or frambœsia attacking the soles of the feet and palms of the hands, forming ulcers with very hard edges.
| 1740 Hist. Jamaica 313 That which is called Crab-Yaws is never removed. 1799 Med. Jrnl. I. 33 In every instance..of venereal taint in yaws, or crab yaws, I found it ineffectual, prior to the use of mercurials. |