Obs. rare. [f. FELTER v.]
1. Felting or tangle; = FELTERING vbl. sb.
1615. Markham, The English House-wife, II. v. (1668), 125. If you find any hard knot or other felter in the Wooll, which will not open, though it be never so small, yet you shall pick it out.
2. A kind of worm or maggot found in the skins of cattle. More fully feller-worm. [Perh. a distinct word.]
1607. Markham, Cavelarice, VII. 85. To kill the warble or felter, bathe your horse either in stronglye, or with burnt sacke and vinegar mixt together.
1639. T. de Gray, Compl. Horsem., 38. This is most profitable for the felter-worme.