1. Having one barrel
   "most guns are single-barreled"
   - single-barrelled [US]

Antonym: double-barreled [US]

• pale yellow
• pale-colored
• pale-coloured
• pale-faced
• pale-hued
• palea
• Paleacrita
• Paleacrita vernata
• Palearctic
• paleencephalon
• paleface
• palely
• paleness
• paleo-
• Paleo-American
• Paleo-American culture
• Paleo-Amerind
• Paleo-Amerind culture
• Paleo-Indian
• Paleo-Indian culture
• paleoanthropological
• paleoanthropology
• paleobiology
• paleobotany
• Paleocene