different between amidships vs afterdeck

English

amid +? ships

amidships (not comparable)

(nautical) In the middle of a ship, either longitudinally or laterally.
[The U-boat captain] waited until the crosshairs lay directly amidships. “Torpedo ... los!”
Two more torpedoes were fired; one ran erratic; the second hit amidships.
The saloon, instead of being at the stern, according to the old method of construction, is placed more amidships.
The main cabin, most amidships, was 8 feet 3 inches broad [...]
(nautical) Usually in the line of the keel, but sometimes halfway between bow and stern; often contracted to “midships.” (FM 55-501).
(figuratively) On the flank, at a vulnerable place.

amidships

A helm order, normally shortened to midships!, to centre the helm in the line of the keel.

From after- +? deck

afterdeck (plural afterdecks)

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