a. [ad. mod.L. subrotundus: see SUB- 20 c.] Somewhat or almost rotund, roundish.
1753. Chambers’ Cycl., Suppl. s.v. Leaf, Subrotund Leaf, that approaching to the figure of the orbicular leaf, but departing from it, either in being too long, or too broad, or prominent.
1852. Dana, Crust., I. 167. Two anterior teeth subrotund.
1861. Bentley, Man. Bot., 167. When a leaf is perfectly round, it is orbicular…, a figure which is scarcely or ever found, but when it approaches to orbicular, as in Pyrola rotundifolia, it is subrotund or rounded.
So Subrotundate, -rotundous adjs., in the same sense; Subrotundo-, combining form of SUBROTUND.
1775. J. Jenkinson, Linnæus’ Brit. Plants, 144. The dissepimentum is transverse, containing subrotundo-oblong seeds.
1775. Ash, Subrotundous, approaching to roundness.
1847. Proc. Berw. Nat. Club, II. 240. Thorax quadrate, oblong, or sub-rotundate.
