cœlebs

from The Century Dictionary and Cyclopedia

• n. A bachelor: used as a quasi-proper name: as, “Cœlebs in Search of a Wife” (the title of a book by Hannah More).
• n. [NL.] In ornithology, an old, now the specific, name of the chaffinch, Fringilla cœlebs: made a generic term by Cuvier in 1800.