a. [f. next + -OUS.] Heap-like; of the nature of cumulus clouds.
1815. [see CIRRO-CUMULOUS].
1851. Nichol, Archit. Heav., 141. Rising … like a vast cumulous cloud!
1854. Syd. Dobell, Balder, vii. 41. The big spent clouds that, faint with flight, Each upon each lay cumulous.
1887. Jessopp, Arcady, 135. The clouds have gathered in Arcady’s horizon—they are there cumulous and dark—shall they clear?
