oriental cherry: ornamental tree with inedible fruits widely cultivated in many varieties for its white blossoms
flowering cherry: any of several shrubs or trees of the genus Prunus cultivated for their showy white or pink single or double blossoms
metacenter: (shipbuilding) the point of intersection between two vertical lines, one line through the center of buoyancy of the hull of a ship in equilibrium and the other line through the center of buoyancy of the hull when the ship is inclined to one side; the distance of this intersection above the center of gravity is an indication of the stability of the ship