ahoo

messy; in disarray—similar to another, more common, Briticism: “At sixies and sevens”.

Captain: “This deck is still all ahoo. If you people do not have it squared it away prior to the departure of the next launch, every one of you will remain on ship, having forfeited all shore leave .”

priddy

Get ready, neaten or tidy up. (nautical)

The Captain had the crew priddy the decks in preparation to receiving guests from the Admiralty.

Loid

Loid (noun) thin, rigid piece of plastic (celluloid) employed in defeating door locks/ (verb) the act of employing such a device

I was in seconds after slipping the loid between the latch and striker plate.

Hossifers

Officer/s (19th century humorous transcription of rural and or black dialect.)

"He brought some ice, mutton, canned fruit, etc., for the behoof of the suffering hossifers, and was received with sweet smiles."

Theodore Lyman–Meade's Army 1863-1865

dyce

Steering a ship in such way that it maintains the same direction relative to the wind. Similar to "hold your course," except that if the wind's direction shifts, you shift with it. (In other words, steering by the wind rather than the compass.)

Dyce helmsman, do not vary by so much as a degree.