Definition of appress in English:



[with object]usually be appressed to
  • Press (something) close to something else.

    ‘the two cords can be closely appressed to one another’
    • ‘By contrast, the specimens are primitive relative to homologous teeth of typical palaeoryctids in having a more lingual molar paraconid that is less appressed to the metaconid, and a shorter molar trigonid relative to the talonid.’
    • ‘In contrast, a strongly obtuse apical angle is associated with an incurved ventral beak that is appressed to the dorsal umbo, resulting in the delthyrium being partly obscured.’
    • ‘The cytoplasm appeared to be appressed to the plasma membrane after the 35°C-soaking treatment, and vacuoles were apparent.’
    • ‘With SEM, the light line was found to be where the secondary thickening bars were tightly appressed to each other.’
    • ‘The epipterygoid is a thin, roughly rectangular sheet of bone that rises from the dorsal surface of the palatal ramus of the palatoquadrate and is tightly appressed to the lateral wall of the braincase.’


Early 17th century: from Latin appress- ‘pressed close’, from the verb apprimere, from ad- ‘to’ + premere ‘to press’.