(aviation) The deployment of an aircraft's landing gear by the use of gravity.

A small, medicated tablet intended to be dissolved slowly in the mouth to relieve coughing symptoms temporarily.

plural of Rupert's drop

A glass bead created by dripping molten glass into cold water so it solidifies into a tadpole with a very tough head but a long fragile tail which, if damaged, causes the bead to disintegrate explosively.

A drop shot hit with a volley.

plural of drogher

A West Indian coasting vessel, with long masts and lateen sails. / Any small, slow craft, especially for transporting goods to or from shore.

plural of drock

(UK, dialect) A watercourse.

(informal, US) An underperforming high school, especially one with low graduation rates.