hand-held computer, hand-held microcomputer
['platypus, duckbill, duckbilled platypus, duck-billed platypus, Ornithorhynchus anatinus', 'seashore, coast, seacoast, sea-coast', 'tub, vat', 'sunscreen, sunblock, sun blocker', 'mouse, computer mouse', 'bathtub, bathing tub, bath, tub', 'digital clock']