dam, dike, dyke
['dining table, board', 'switch, electric switch, electrical switch', 'platypus, duckbill, duckbilled platypus, duck-billed platypus, Ornithorhynchus anatinus', 'aircraft carrier, carrier, flattop, attack aircraft carrier', 'container ship, containership, container vessel', 'crate', 'radio telescope, radio reflector']