Definition of "double-ender" [dou•ble-end•er]

• A vessel capable of moving both forwards and backwards, having bow and rudder at each end. (noun)
• A locomotive with pilot at each end. (noun)
• A dildo designed for penetration by two people simultaneously. (noun)

Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License

• "The Uncle Toby's drift took them across the bow and they could not make out the name; but before night they picked up with a small, round-bottom, double-ender boat, swamped but with white lettering visible on its bow."
• "The craft was a double-ender, long, narrow, and flat-bottomed, sweeping up at each end in graceful curves and tight as a tick from the looks of the well-fitted overlapping planks."
• "It has always been at its best when breaking the mould by pioneering with "As It Happens," the live double-ender interview, "La Petite Vie" or "This Hour Has 22 Minutes.""