local. Also -ick. [f. WILL sb.3 + -OCK. Cf. etym. of guillem, guillemot.] The GUILLEMOT; also, the puffin and the razor-bill.
1631. Pellham, Gods Power, 3. We found abundance of Willocks egges; (which is a Fowle about the bignesse of a Ducke).
1635. Voy. Foxe & James to N. W. (Hakluyt Soc.), I. 168. Going to kill willicks.
1802. Montagu, Ornith. Dict., s.v. Puffin, At Dover, this, as well as the Razorbill, is indiscriminately called Willock.
1855. Kingsley, Glaucus, 2. Your boys endanger your personal safety, by blazing away at innocent gulls and willocks.
1859. [see GUILLEMOT].