Defn: A genus of lowly organized arthropods, found in South Africa,
Australia, and tropical America. It constitutes the order Malacopoda.

PERIPETALOUS
Per`i*pet"al*ous, a. (Bot.)

Defn: Surrounding, or situated about, the petals.

PERIPHERAL
Pe*riph"er*al, a.

1. Of or pertaining to a periphery; constituting a periphery; peripheric.

2. (Anat.)

Defn: External; away from the center; as, the peripheral portion of the nervous system.

PERIPHERIC; PERIPHERICAL
Per`i*pher"ic, Per`i*pher"ic*al, a. Etym: [Cf. F. périphérique. See
Periphery.]

Defn: See Peripheral.

PERIPHERY Pe*riph"er*y, n.; pl. Peripheries. Etym: [L. peripheria, Gr. périphérie.]