lituus /litˈū-əs/

1. An augur's curved staff (historical)
2. A J-shaped Roman trumpet (historical)
3. A curve of similar form with the polar equation r² θ = a (mathematics)

• butterfly effect
• butterfly fish
• butterfly fishes
• butterfly flower
• butterfly flowers
• butterfly kiss
• butterfly kisses
• butterfly knife
• butterfly knives
• butterfly net
• butterfly nets
• butterfly nut
• butterfly nuts
• butterfly orchid
• butterfly orchids
• butterfly orchis
• butterfly orchises
• butterfly plaster
• butterfly screw
• butterfly screws
• butterfly stroke
• butterfly strokes
• butterfly valve
• butterfly valves
• butterfly weed