Search Result for "sickle cell":
Wordnet 3.0

NOUN (1)

1. an abnormal red blood cell that has a crescent shape and an abnormal form of hemoglobin; 



WordNet (r) 3.0 (2006):

sickle cell
    n 1: an abnormal red blood cell that has a crescent shape and an
         abnormal form of hemoglobin