Bed for two people

• It can precede the first words of 17-, 28-, 35-, 47- and 61-Across
• Stunt man, perhaps
• Bassoon or oboe part
• It can precede the first
• Shotgun type
• A base hit on which the batter stops safely at second base
• A quantity that is twice as great as another

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Double \Dou"ble\, v. i. To be increased to twice the sum, number, quantity, length, or value; to increase or grow to twice as much. 'T is observed in particular nations, that within the space of three hundred years, notwithstanding all casualties, ...

Wikipedia Word definitions in Wikipedia
redirect Metric prefix#double