1. Annual weed with finely divided foliage and spikes of green flowers; common in North America; introduced elsewhere accidentally
   - Ambrosia artemisiifolia

Type of: ambrosia, bitterweed, ragweed

• tRNA
• troat
• trocar
• trochaic
• trochanter
• trochanteric
• troche
• trochee
• Trochilidae
• trochlea
• hornpout
• hornstone
• hornswoggle
• hornwort
• horny
• horny frog
• horny layer
• horny structure
• horologe
• horologer
• horological
• horologist
• horology
• horoscope
• horoscopy