v. t.
Thy turfy mountains, where live nibbling sheep. Shak. [ 1913 Webster ]
v. t. To bite upon something gently or cautiously; to eat a little of a thing, as by taking small bits cautiously;
Instead of returning a full answer to my book, he manifestly falls a-nibbling at one single passage. Tillotson. [ 1913 Webster ]
n.
n. One who, or that which, nibbles. [ 1913 Webster ]
adv. In a nibbling manner; cautiously. [ 1913 Webster ]