A pin (PIN sb.1 1) or peg of hard wood used to fasten the tiles to the laths of a roof.
1338. in Dugdale, Monasticon (1846), II. 585/2. In latthenayles jd. Item in latthes, j d. Item in tyelpynnes, ob.
14223. Abingdon Rolls (Camden), 97. In tyȝlpynnes emptis viij d.
14267. Rec. St. Mary at Hill, 65. A buschel tyle pynnes viij d.
15634. in Swayne, Sarum Churchw. Acc. (1896), 109. A peck of tylepyns3d.
1679. Moxon, Mech. Exerc., viii. 145. Tile-pins of Oak.
1825. J. Nicholson, Operat. Mechanic, 550. A square of plain tiling will require a bundle of laths, two bushels of lime, one bushel of sand, and a peck of tile-pins.