double-ended

[ duhb-uh l-en-did ]

/ ˈdʌb əlˈɛn dɪd /

having the two ends alike.

Nautical.

operating equally well with either end as the bow, as a ferryboat.
noting a vessel having a stern curved or pointed so as to resemble or suggest a bow.

noting any of various vehicles, as certain streetcars, designed to be operated with either end serving as the front.

Origin of double-ended

First recorded in 1870–75

Scattered among them will sometimes be crowds of little wheels, surrounded with double-ended hooks.

The Log of the Sun |William Beebe
A modification of double-ended boiler is that introduced by Mr. Alfred Holt.

Scientific American Supplement No. 299 |Various
The use of the principles of flatiron skiff design in sharp-stern, or "double-ended," boats has been common.

The Migrations of an American Boat Type |Howard I. Chapelle
There are ten boilers, six of which are double-ended—that is, with furnaces in each end—21¼ feet long and 15½ feet in diameter.

Christopher Columbus and His Monument Columbia |Various

Speaking or writing is, therefore, everywhere a double-ended process.

The Teacher |George Herbert Palmer