- pedicleA fleshy line used to attach and anchor brachiopods and some bivalve molluscs to a substrate.
- pediculosisInfestation with head lice.
- pediculicideAn insecticide that kills lice.
- pediculophobiaA morbid fear of lice.
- pediculusA louse (of the family Pediculidae), especially Pediculus humanus.