What is "duals"

Usage examples of "duals".

The duals Tolkien listed in the Plotz Letter, ciryat "a couple of ships" and lasset "a couple of leaves" (formed from cirya "ship" and lassë "leaf") confirm that a words with no t or d in them take the dual ending -t.

Silent clones sat behind the plated shields of antistarfighter duals and quads.

Renny killed time by letting him play with the duals, first switching on the auto pilot and not telling Powell about it, so that Powell thought he was handling the ship.