Also 6 boos, 78 bosse. [? a. MDu. bosse, busse, mod.Du. bos, bus = BOX.] A plasterers tray, a hod.
1542. MS. Acc. St. Johns Hosp., Canterb., Bowht a trowell a boos and a syffe.
1611. Cotgr., Clifoire, a Plaisterers tray, or bosse.
1677. Moxon, Mech. Exerc. (1703), 248. A Bosse, made of Wood, with an Iron Hook, to hang on the Laths, or on a Ladder, in which the Labourer puts the Morter which the Tyler uses.
1875. Gwilt, Archit., Gloss.