anvil

Meanings

1. A heavy iron block used in the blacksmithing trade as a surface upon which metal can be struck and shaped.
2. The incus bone in the middle ear.
3. A stone or other hard surface used by a bird for breaking the shells of snails.
4. The non-moving surface of a micrometer against which the item to be measured is placed.
5. A horizontal-topped mass of cloud, shaped like a blacksmith's anvil, that forms before a thunderstorm.

1. To fashion on, or as if on, an anvil.

Etymology

From Middle English anfilt, anvelt, anfelt, from late Old English anfilt, anfilte, anfealt, from earlier onfilti (“anvil”), from Proto-West Germanic *anafalt (compare Middle Dutch anvilte, Low German Anfilts, Anefilt, Old High German anafalz), compound of *ana (“on”) + *falt (“beaten”) (compare German falzen (“to groove, fold, welt”), Swedish dialectal filta (“to beat”)), from Proto-Indo-European *pelh₂-t- (“shaken, beaten”) (compare Middle Irish lethar (“leather”), Latin pellō (“to beat, strike”), Ancient Greek πάλλω (pállō, “to toss, brandish”)), enlargement of Proto-Indo-European *pelh₂- (“to stir, move”). More at felon.