• (n.) The act of notching or indenting the margin, or the state of being so notched; also, a notch or shallow sinus in a margin.
Synonym for Notch ... <molecular biology> A neurogenic gene of Drosophila. The normal function of Notch is required in ectodermal cells to prevent the cells from differentiating as neuroblasts. Gene product contains 36 repeats of the EGF like domain. ... (13 Nov 1997) ... 
E·mar`gi·na'tion noun The act of notching or indenting the margin, or the state of being so notched; also, a notch or shallow sinus in a margin. 
Type: Term Pronunciation: ē-mar′ji-nā′shŭn Synonyms: notch