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

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

• grumps
• grumpy
• grundle
• grundles
• grund mail
• Grundyism
• grunge
• grunges
• grungey
• grungier
• grungiest
• grungy
• grunion
• grunions
• grunt
• grunted
• grunter
• grunters
• grunting
• gruntingly
• gruntings
• gruntle
• gruntled
• gruntles
• gruntling