ergometer ergometer /ɝˈɡɔmɪtər/

noun

1. Measuring instrument designed to measure power  ( dynamometer , ergometer )
   measuring instrument designed to measure power
   
   

 pancake turtle pancake turtle /ˈpænkeɪk ˈtɝːtl/

noun

1. Voracious aquatic turtle with a flat flexible shell covered by a leathery skin; can inflict painful bites  ( pancake turtle , soft-shelled turtle )
   voracious aquatic turtle with a flat flexible shell covered by a leathery skin; can inflict painful bites
   
   

 jewel jewel /ˈdʒuːl/

noun

1. () A precious or semiprecious stone incorporated into a piece of jewelry  ( gem , precious stone , jewel )
   a precious or semiprecious stone incorporated into a piece of jewelry
    She wore a beautiful sapphire jewel around her neck.
   She wore a beautiful sapphire jewel around her neck.
   
   
2. A person who is as brilliant and precious as a piece of jewelry  ( gem , jewel )
   a person who is as brilliant and precious as a piece of jewelry
   

verb

1. Adorn or decorate with precious stones  ( bejewel , jewel )
   adorn or decorate with precious stones
    Jeweled dresses
   jeweled dresses
   

 staff vine staff vine /stæf vaɪn/

noun

1. Twining shrub of North America having yellow capsules enclosing scarlet seeds  ( American bittersweet , bittersweet , Celastrus scandens , climbing bittersweet , false bittersweet , shrubby bittersweet , staff vine , waxwork )
   twining shrub of North America having yellow capsules enclosing scarlet seeds