v. [UN-2 4. Cf. Du. ont-, G. entmasten.] trans. To divest of a mast.
1611. Florio, Disarborare,… to unmast a ship.
1668. Lond. Gaz., No. 238/1. The same Tempest … unmasting several others [sc. ships].
1698. T. Froger, Voy., 17. We also began to unmast the Fruitful Pink to turn it into a Bomb-Galley.
