Question

Turn up the main halyard.

Accepted Answer

(transitivehttps://en.wiktionary.org/wiki/Appendix:Glossary#transitive, nautical) To belayhttps://en.wiktionary.org/wiki/belay or make fasthttps://en.wiktionary.org/wiki/make_fast a line on a cleathttps://en.wiktionary.org/wiki/cleat or pinhttps://en.wiktionary.org/wiki/pin.

Sentence	Turn up the main halyard.
Definition	( transitive https://en.wiktionary.org/wiki/Appendix:Glossary#transitive , nautical) To belay https://en.wiktionary.org/wiki/belay or make fast https://en.wiktionary.org/wiki/make_fast a line on a cleat https://en.wiktionary.org/wiki/cleat or pin https://en.wiktionary.org/wiki/pin .

Turn Main Halyard Nautical Line