Will is an old file in spite of his smooth face.
Thackeray.
Bastard file, Cross file, etc. See under Bastard, Cross, etc. --
Cross-cut file, a file having two sets of teeth crossing obliquely. --
File blank, a steel blank shaped and ground ready for cutting to form a
file. -- File cutter, a maker of files. -- Second-cut file, a file
having teeth of a grade next finer than bastard. -- Single-cut file, a
file having only one set of parallel teeth; a float. -- Smooth file, a
file having teeth so fine as to make an almost smooth surface.
File, v. t. 1. To rub, smooth, or cut away, with a file; to sharpen
with a file; as, to file a saw or a tooth.