Lexical Definition

‎περίθεσις‎ períthesis (per-ith'-es-is) wearing ^G:N-F
from ‎περιτίθημι‎

wearing.

• a putting all around, i.e. decorating oneself with

Abbott-Smith

**† περί-θεσις, -εως, ἡ (< περιτίθημι), [in Sm.: Ps 31 (32):9**;]
a putting around, putting on: I Pe 3:3.†

Abbott-Smith References

Liddell-Scott-Jones

περίθεσις-θεσις, εως, ἡ,

putting round, putting on, ἐκ περιθέσεως in the act of application, Heraclasap. [NT+1st c.AD+]

_{LSJ Scripture Refs: 1Pet.3.3}