bifilar /bī-fīˈlər/

Having two threads

• signless
• sign-manual
• sign-manuals
• sign off
• sign of the cross
• sign on
• sign one's own death warrant
• sign on the dotted line
• Signor
• Signora
• Signoras
• signore
• Signore
• Signores
• signori
• Signori
• signoria
• signorial
• signorias
• signories
• Signorina
• Signorinas
• signorine
• Signorine
• signorini