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Webster 1913 Edition
Crab-yaws
Crab′-yawsˊ
(kr?b′y?zˊ)
, Noun.
 (Med.) 
A disease in the West Indies. It is a kind of ulcer on the soles of the feet, with very hard edges. See 
Yaws
. Dunglison.
 Webster 1828 Edition
Crab-yaws
CRAB-YAWS
,Noun.