Definition of chalaza
plural cha·la·zaeplay \-ˌzē\ or cha·la·zas
1 : either of two spiral bands in the white of a bird's egg that extend from the yolk and attach to opposite ends of the lining membrane — see egg illustration
2 : the basal part of a plant ovule where the nucellus is fused to the surrounding integument and to which the funiculus is usually attached
Origin of chalaza
New Latin, from Greek, hailstone
First Known Use: circa 1704
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Medical Dictionary: Definition of "chalaza"
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