1. Medium-sized larch of northeastern Russia and Siberia having narrowly conic crown and soft narrow bright-green leaves; used in cultivation
   - Siberian larch, Larix siberica

Type of: larch, larch tree

• oilskin
• oilstone
• oilstove
• oily
• oink
• ointment
• Oireachtas
• OIS
• Ojibwa
• Ojibway
• Ojos del Salado
• ok
• oka
• okapi
• Okapia
• Okapia johnstoni
• okay
• Okeechobee
• Okeechobee Waterway
• Okefenokee Swamp
• okeh
• Oken
• Okenfuss
• okey
• okey-doke