nounphthīrPHTHIR☆ KeepMeaninglouseLewis & Short 1879ModernAs printed, 1879PHTHIRLEWIS & SHORTPHTHIRphthīr, m., = φθείρ, I. louse, a sea-parasite (pure Lat. pediculus marinus), Plin. 32, 11, 53, § 150.Read the whole entry