(Canada) A hill in Ottawa, Ontario, Canada / (Canada, politics) The Canadian federal government and its houses of parliament / (Quebec) A hill in Quebec City, Quebec, Canada

(physics) A quark having a fractional electric charge of -1/3 and a mass of about 80 to 130 MeV. / Symbol: s

A hypnotic and sedative drug.

(botany) A branch that has the same branching structure as the main axis