n. & v.
n. 1 the point of a pen, which touches the writing surface. 2 (in pl.) shelled and crushed coffee or cocoa beans. 3 the point of a tool etc.
v. (nibbed, nibbing) 1 tr. provide with a nib. 2 tr. mend the nib of. 3 tr. & intr. nibble.
[ prob. f. MDu. nib or MLG nibbe, var. of nebbe NEB ]