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)

• by far
• by-form
• by-forms
• by-going
• by-goings
• bygone
• bygones
• by half
• by halves
• by hand
• by heart
• by hook or by crook
• by inches
• by itself
• by Jove
• byke
• byked
• bykes
• byking
• bylander
• by-lane
• by-lanes
• bylaw
• bylaws
• by leaps and bounds