WordNet
n. a ladder whose length can be extended
Usage examples of "extension ladder".
They found a friggin' extension ladder in the forward ballast tank.
Then, finally, two firemen came running around the corner from Nassau Street carrying an extension ladder.
Last night, by dint of pulling the U-Haul onto the front lawn and aiming its headlights directly in through windows (whose cracks and jags and facets refracted the light gorgeously), they were able to clamber into the basement and find a ten-foot aluminum extension ladder which they used to get into the upstairs.
It took six men to hold the machine even reasonably steady while the general, Vyland, Larry and I shinned down the extension ladder.
Working together like firefighters maneuvering an extension ladder, they raised the tape carefully from the floor, moving it slowly so that it wouldn't kink and bend, and turned it until the top end leaned against the edge of the desk.
When it came, you used the extension ladder to go up and unlock the door, to let the other guardsmen in.
They had to haul him down from the ceiling with an extension ladder, because the gadget he'd made tried insistently to push a hole through the roof to the wide blue yonder.
In the back Joe's extension ladder was rattling about, and his rollers and trays.
As he comes closer, Josh takes note of the Apache's powerful biceps and pectorals flexing and rippling against the weight of the long, extension ladder.