Obs. [cf. Du. juffer maiden, young lady, miss; also, spar, beam, joint; worn-down form of jufvrouw, jonkvrouw; so Ger. jungfer (from jungfrau), also, in shipbuilding juffer.] A piece of timber four or five inches square.
1677–83. Moxon, Mech. Exerc. (1703), 162. Juffers, Stuff, about 4 or 5 inches square, and of several Lengths.
Hence 1688 in R. Holme, 1823 in Nicholson, Pract. Builder.
