[f. as prec. + -ING2.] That builds. Also in comb. as Babel-building.
1727. De Foe, Syst. Magic, I. i. (1840), 12. That foolish Babel-building age.
1832. Tennyson, May Queen, 61. The building rook.
1843. Carlyle, Past & Pr. (1858), 184. Building beavers.