unship

The crew were unable to unship it by reason of its weight, and had to be satisfied with lashing it securely.

Now, Tim Clyst, if an' in case yu've a-got some scandal on yer tongue, don't yu never unship it here.

Then he tried to unship the rudder (the singed boatman was no use at all in this emergency) and so make use of that as a float.

If you are so fortunate as to possess a racing-sail and spars, unship the old ones and ship the racing-spars and sail.