Definition of "amidships"

(nautical) In the middle of a ship, either longitudinally or laterally.  examples

(nautical) Usually in the line of the keel, but sometimes halfway between bow and stern; often contracted to “midships.” (FM 55-501).  examples

(figuratively) On the flank, at a vulnerable place.  quotations  examples

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