Nebule

The most common mouldings are the billet, the nail-head, the chevron, the zig-zag or embattled frette, hatchet, nebule, star, rope, beak-head, dog-tooth, and, occasionally, different sorts of foliage, as the vine[…]

Source: wiktionary

The nave and aisles and west transept have a nebule corbel-tabling under the eaves. The aisle windows are large octofoiled circles. A huge square tower rises over the middle bay of the west transept. On each side are two large Middle-Pointed windows of three lights,[…]

Source: wiktionary

They consisted of cauls or close caps, in the last instance made of net-work, in which the hair was confined round the face, and sometimes allowed to fall on the shoulders also; the ornamented fronts of the nebule and zigzag headdresses which are seen on brasses are probably intended to represent frills.

Source: wiktionary

They have plain square bases; and the round capitals, of no great projection, have mouldings different in the different pillars, in their way as interesting a piece of detail as an in the minster. The first on the south side, reconing from the west, and the last on the north have the cable, and the others the lozenge, nebule, and hatchet. But most remarkable is the fifth on the south side with a series of four—the beaded cable, lotus leaf, triple nebule, and lozenge.

Source: wiktionary