The Collaborative International Dictionary
Alburn
Alburn \Al"burn\, n. [L. alburnus, fr. L. albus white. Cf. Auburn.] (Zo["o]l.) The bleak, a small European fish having scales of a peculiarly silvery color which are used in making artificial pearls.
Wiktionary
alburn
n. The bleak, a small European fish with silvery scales.