besaiel /bɪˈseɪ.əl/ noun2 •(no longer used) A great-grandfather.Herry Percy, knyght, Besaile to the said then Erle […] — 1840 •(no longer used) A kind of writ which formerly lay where a great-grandfather died seized of lands in fee simple, and on the day of his death a stranger abated or entered and kept the heir out.In a Writ of Besayle he shall not have the View. — 1598 formsbesaiels