1. Eurasian garden perennial having scarlet flowers in dense terminal heads
   - maltese cross, Lychins chalcedonica

Type of: catchfly, lychnis

• oatcake
• oaten
• Oates
• oath
• oatmeal
• oatmeal cookie
• Oaxaca
• Oaxaca de Juarez
• Ob
• Ob River
• ob-gyn
• Obadiah
• Obama
• obbligato
• obconic
• obconical
• obcordate
• obduracy
• obdurate
• obdurately
• OBE
• obeah
• obeche
• obechi
• obedience