1. Any extension of a church behind the high altar, as a chapel

Derived forms: retrochoirs

• 45th
• 46
• 46th
• 47
• 47th
• 48
• 48th
• 49
• 49th
• 4th
• 4to
• 4WD
• 5
• 5-hitter
• 5-hydroxy-3-methylglutaryl-coenzyme A reductase
• 5-hydroxytryptamine
• 5-membered
• 50
• 500
• 500th
• 50th
• 51
• 52
• 53
• 54