1. Of or relating to the ancient city of Nicaea in Asia Minor
   - Nicene

See also: Nicaea

• Sierra lodgepole pine
• Sierra Madre Occidental
• Sierra Madre Oriental
• Sierra Nevada
• Sierra Nevada Mountains
• Sierra plum
• Sierra redwood
• sies
• siesta
• Sieur de LaSalle
• sieva bean
• sieve
• sieve out
• sieve tube
• sievert
• Sif
• sift
• sifter
• sifting
• sigeh
• sigh
• sight
• sight bill
• sight draft
• sight gag