1. The tendency of certain plant organs, as leaves, to assume special "sleeping" positions or make curl up under the influence of darkness

Derived forms: nyctitropisms

• Sarasvati
• saratoga
• Saratoga chip
• Saratoga spittlebug
• Saratoga Springs
• Saratov
• Sarawak
• Sarawakian
• Sarazen
• sarcasm
• sarcastic
• sarcastically
• sarcenet
• Sarcobatus
• Sarcobatus vermiculatus
• Sarcocephalus
• Sarcocephalus diderrichii
• Sarcocephalus esculentus
• Sarcocephalus latifolius
• Sarcochilus
• Sarcochilus falcatus
• sarcocystidean
• sarcocystieian
• Sarcocystis
• Sarcodes