[f. ENTAIL v.2 + -ER.] One who entails an estate; one who executes an entail.
1779. Arnot, Hist. Edin., iv. (1816), 128. The will of the entailer.
1815. Scott, Guy M., l. We must serve him heir to his grandfather Lewis, the entailer.
1842. Ld. Brougham, Pol. Phil., xix. 668, note. The entailer cannot disappoint those children who have rights to a portion of his property.