Arch. [f. SURBASE + -ED2.] Provided with a surbase.
1791. Oxf. Archd. Papers, MS. Oxon. b. 26, lf. 177 b (Bodl. Libr.). Two Chambers … to be Skirted and Sirbaced.
1818. Todd [erroneously citing quot. 1763 s.v. SURBASED a.]; hence in mod. dicts.
