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

• tachograms
• tachograph
• tachographs
• tachometer
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• tachometrical
• tachometries
• tachometry
• tachos
• tachy-
• tachycardia
• tachycardias
• tachygraph
• tachygrapher
• tachygraphers
• tachygraphic
• tachygraphical
• tachygraphies
• tachygraphist
• tachygraphists
• tachygraphs
• tachygraphy
• tachylite
• tachylitic