A fish of the genus Petromyzon, resembling an eel in shape and in having no scales. It has a mouth like a sucker, pouch-like gills, seven spiracles…

A lamprey, esp. a (young) river lamprey, Lampetra fluviatilis (so called because of its seven gill-openings). Cf. nine-eyes, n. 2.

Some fish resembling the lamprey; according to R. Holme the lamprey at a certain stage of growth.

A fish, taken to be the lamprey. (Cf. weasel-fish n., weasel-ling n. at compounds 2, and French belette.) Obsolete.

local name for a species of eel or lamprey.

= lamprey, n.

the Sea-lamprey (Petromyzon marinus).

a fish belonging or allied to the genus Petromyzon, n. a lamprey, n. (see the etymologies of these words).

a lamprey; cf. nine-eyes, n. 2, nine holes, n. 2.

A lamprey, esp. a young one. Cf. nine-eyed eel n. at nine-eyed, adj. compounds, nine holes, n. 2.

British regional. A lamprey.

The lamprey.

a lamprey.

A fish of the family Petromyzontidae or superfamily Petromyzontoidea; a lamprey. Also attributive or as adj.