\Horn"er\, n.
1. One who works or deal in horn or horns. [R.] --Grew.

2. One who winds or blows the horn. [Obs.] --Sherwood.

3. One who horns or cuckolds. [Obs.] --Massinger.

4. (Zo["o]l.) The British sand lance or sand eel ({Ammodytes
   lanceolatus}).