Entry 1 sense Webster, 1913 Haemaphaein /(hĕm`ȧ*fē"ĭn [or] hē`mȧ-)/ · Haem·a·phae·in · IPA 01 n. A brownish substance sometimes found in the blood, in cases of jaundice. 1. A brownish substance sometimes found in the blood, in cases of jaundice.(Physiol.)