RhymeZone: pelta definitions

Definitions of pelta:

noun: (historical) A small shield, especially one of an approximately elliptical form, or crescent-shaped.
noun: (art, historical) A crescent-shaped design used in mosaics.
noun: (botany) A flat apothecium with no rim.
noun: (microbiology) A crescent-shaped sheet of microtubules that encircles the base of the flagella of a protozoan.

(Definitions from Wiktionary)