Term: biplane: old fashioned airplane; has two wings one above the other
Candidate hypernym: artifact: a man-made object taken as a whole → 1
Candidate hypernym: butterfly effect: the phenomenon whereby a small change at one place in a complex system can have large effects elsewhere, e.g., a butterfly flapping its wings in Rio de Janeiro might change the weather in Chicago → 0
Candidate hypernym: raphus: type genus of the Raphidae: dodos → 0
Candidate hypernym: plank-bed: a bed of boards (without a mattress) → 0
Candidate hypernym: espresso maker: a coffee maker that forces live steam under pressure through dark roasted coffee grounds → 0
Candidate hypernym: broad-leaved montia: succulent plant with mostly basal leaves; stem bears 1 pair of broadly ovate or heart-shaped leaves and a loose raceme of 3-10 white flowers; western North America → 0
Candidate hypernym: local government: the government of a local area → 0
Candidate hypernym: scaler: an electronic pulse counter used to count pulses that occur too rapidly to be recorded individually → 0
Candidate hypernym: silver age: (classical mythology) the second age of the world, characterized by opulence and irreligion; by extension, a period secondary in achievement to a golden age → 0
Candidate hypernym: icecap: a mass of ice and snow that permanently covers a large area of land (e.g., the polar regions or a mountain peak) → 0
Candidate hypernym: boldness: the trait of being willing to undertake things that involve risk or danger → 0