a.
1. [SUB- 20 c.] Nat. Hist. = prec.
1777. Pennant, Brit. Zool., IV. 71. Solen Pellucidus … subarcuated and sub-oval.
2. [f. next.] Archit. Having two or more subordinate arches under a main arch.
1881. Parker, ABC Gothic Archit., 195. The mullions are carried up to the architrave, and the side lights only are sub-arcuated.
1886. Willis & Clark, Cambridge, I. 582. Each of the three main divisions of the window is sub-arcuated.
