an Old World plant, Cirsium arvense, having small purple or white flower heads, now a troublesome weed in North America.
Seed Dispersal William J. Beal
the US and Canadian name for creeping thistle
Canada balsam. a pale yellow or greenish, slightly fluorescent, clear, viscous, bitter-tasting, water-insoluble liquid, having a pleasant, aromatic, pinelike odor, and solidifying on exposure to air: obtained from the balsam fir, Abies balsamea, and used chiefly for mounting objects on microscope slides, in the manufacture of fine lacquers, and as a cement for lenses. noun […]
an electromechanical extension of a spacecraft that is used to retrieve or deploy objects in outer space. noun a type of robotic arm, developed in Canada, used on space vehicles
bacon made from a boned strip of pork loin. noun the US name for back bacon
noun a Canadian right-wing federal political party, founded in 2000