(astronomy, physics) dark matter comprising elementary particles whose composition is as yet unknown, but is presumed to be unlike normal protons, neutrons and electrons etc.

A parasitic plant of certain species of genus Lathraea (family Orobanchaceae). / A plant now classified in the genus Cardamine (family Brassicaceae), formerly in the obsolete genus Dentaria.

(US, military) Used to bring a marching band or group of soldiers to attention.

plural of son-in-law