To roll a sheet of paper; to roll clay or putty into a ball.

Proustite, always 10 to 20 times more abundant than xanthoconite, formed clusters attached to the lining of the bomb. Xanthoconite occurred in single unattached crystals which were concentrated in the upper part of the solids left in the bomb […]

In this paper, we study flows associated to Sobolev vector fields with subexponentially integrable divergence.

Arriving on earth, he immediately (and unepically) undresses, ridding himself of everything except the wand, and appears as an innocent herdsman […]