1. Between the tropics; equatorial 
2. On the earth, directly beneath the sun

Encyclopedia: Subsolar

• oar
• oared
• oarfish
• oarlock
• oarsman
• oarsmanship
• oarswoman
• OAS
• oasis
• oast
• oast house
• oat
• oat cell carcinoma
• oat grass
• oatcake
• oaten
• Oates
• oath
• oatmeal
• oatmeal cookie
• Oaxaca
• Oaxaca de Juarez
• Ob
• Ob River
• ob-gyn