pinion¹ /pinˈyən/

1. To confine by holding or binding the arms
2. To cut a pinion of
3. To confine the wings of

1. A wing
2. The last joint of a wing
3. A flight-feather, esp the outermost

• gruing
• grum
• grumble
• grumbled
• grumbler
• grumblers
• grumbles
• Grumbletonian
• grumblier
• grumbliest
• grumbling
• grumbling appendices
• grumbling appendix
• grumbling appendixes
• grumblingly
• grumblings
• grumbly
• grume
• grumes
• grumly
• grummer
• grummest
• grummet
• grummet-hole
• grummet-holes