hematid

he·ma·tid

(hē'mă-tid, hem'a-),
1. Obsolete term for a red blood cell.
2. Obsolete term for a cutaneous eruption presumed to be caused by a substance in the circulating blood.
[hemat- + -id]

hematid

(1) Erythrocyte. 
(2) An "id" reaction of the skin, attributed to unspecified blood toxins.