Webster’s Revised Unabridged Dictionary · 1913
Sallet
Sal′let (săl′lĕt), n. [F. salade, Sp. celada, or It. celata, fr. L. (cassis) caelata, fr. caelare, caelatum, to engrave in relief. So called from the figures engraved upon it.] A light kind of helmet, with or without a visor, introduced during the 15th century. [Written also salade.]
Then he must have a sallet wherewith his head may be saved. Latimer.
Sal′let, Sal′let·ing, n. Salad. [Obs.] Shak.