lupin or (esp US) lupine /looˈ or lūˈpin/

1. A plant of the papilionaceous genus (Lupinus), with flowers on long spikes
2. Its seed

• spark
• spark chamber
• spark chambers
• spark coil
• spark coils
• sparke
• sparked
• sparked-out
• sparkes
• spark gap
• spark gaps
• sparkie
• sparkier
• sparkiest
• sparking
• sparking-plug
• sparking-plugs
• sparkish
• sparkishly
• sparkle
• scourgers
• scourges
• scourging
• scourie
• scouring