1. Stout perennial grass of western North America
   - giant ryegrass, Elymus condensatus

Type of: lyme grass

• roll off
• roll out
• roll up
• roll-on
• roll-on roll-off
• roll-top
• roll-top desk
• rollback
• rolled
• rolled biscuit
• rolled into one
• rolled oats
• roller
• roller bandage
• roller bearing
• roller bit
• roller blind
• roller coaster
• roller skate
• roller skating
• roller towel
• roller-skater
• Rollerblade
• rollerblader
• rollerblading