Definition of "griller"

For the novice fish griller, firm-fleshed fish steaks (salmon, tuna, swordfish, shark) will be the easiest to grill.

2002, Karen Adler, Judith M Fertig, Fish and shellfish, grilled and smoked

Congressmen gleefully wolfed down every imaginable version of the hot dog – smoked kielbasas, jumbo grillers, Big & Juicy's, kosher dogs and spiced dogs […]

1994 July 21, Faye Fiore, “Congress relishes another franking privilege: Meat lobby puts on the dog with exclusive luncheon for lawmakers – experts on pork”, in Los Angeles Times‎