adj ·Rare ·Advanced level

Definitions

Adjective

1. 1
   Surrounded by a single row of columns. not-comparable
2. 2
   Feathered all around. not-comparable
3. 3
   Surrounded by a wing or border. not-comparable

Etymology

From peri- + Ancient Greek πτερόν (pterón, “wing”) + -ous.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.