PERILLA
Pe*ril"la, n. Etym: [Etymol. uncertain.] (Bot.)
Defn: A genus of labiate herbs, of which one species (Perilla ocimoides, or P. Nankinensis) is often cultivated for its purple or variegated foliage.
PERILOUS Per"il*ous, a. Etym: [OF. perillous, perilleus, F. périlleux, L. periculosus. See Peril.] [Written also perillous.]
1. Full of, attended with, or involving, peril; dangerous; hazardous; as, a perilous undertaking. Infamous hills, and sandy, perilous wilds. Milton.
2. Daring; reckless; dangerous. [Obs.] Latimer.
For I am perilous with knife in hand. Chaucer.
— Per"il*ous*ly, adv.
— Per"il*ous*ness, n.
PERILYMPH
Per"i*lymph, n. (Anat.)
Defn: The fluid which surrounds the membranous labyrinth of the internal ear, and separates it from the walls of the chambers in which the labyrinth lies.
PERILYMPHANGIAL
Per`i*lym*phan"gi*al, a. (Anat.)
Defn: Around, or at the side of, a lymphatic vessel.
PERILYMPHATIC Per`i*lym*phat"ic, a. (Anat.) (a) Pertaining to, or containing, perilymph. (b) Perilymphangial.