Obs. Forms: α. 37 kernel, (pl. 3 kerneaus), 4 cernel, 5 kernell. β. (chiefly north.) 36 kirnel, (5 -elle), 46 kyrnell, (5 -elle,) 56 kyrnale, (5 -aill, -eill). [a. ONF. kernel in same sense, variant (by metathesis) of OF. crenel (now créneau); see CRENEL. A third OF. form, carnel, quarnel (mod.F. carneau) gave ME. CARNEL and CORNEL1.] An indentation or embrasure in the battlement of a wall; = CRENEL sb. 1. Also pl. (rarely sing.) = battlements.
a. 1225. Ancr. R., 62. And nis heo to folherdi, þet halt hire heaued baldeliche uorð vt iþen open kernel Þe kerneaus of þe castel beoð hire huses þurles.
a. 1300. Cursor M., 10016. Þe bailles thre o þat castel, Þat ar sa wel wroght wit kirnel [Gött. cernel].
c. 1330. R. Brunne, Chron. (1810), 326. Wallis & kirnels stoute þe stones doun bette.
c. 1400. Rom. Rose, 4195. In the kernels heere and there, Of arblasters grete plente were.
c. 1425. Wyntoun, Cron., II. i. 37. Ane archare in a kyrnale stude.
c. 1430. Pilgr. Lyf Manhode, I. iii. (1869), 2. At þe kernelles ouer þe yate j seyh þe penselles hanginge.
1560. Rolland, Crt. Venus, II. 586. With subtill wark it was sa roborat. Properlie alswa with kirnalis weill quadrat.
1652. Urquhart, Jewel, Wks. (1834), 196. Outjetting of kernels, erecting of prickets, barbicans, and such like.