|Origin:||thema, from Greek, 'something laid down, theme', from tithenai 'to put'|
theme S2 W2 [countable]
the main subject or idea in a piece of writing, speech, film etc:
The book's theme is the conflict between love and duty.
main/central/major etc theme
Campbell has made health care a central theme in his campaign.
Nature is a recurrent theme (=a theme that appears repeatedly) in Frost's poetry.
Most of Kurt's other pictures were variations on the same theme.
music or a song that is often played during a film or musical play, or at the beginning and end of a television or radio programme:
the theme song from 'The Brady Bunch'
a short simple tune that is repeated and developed in a piece of music:
Freia's theme in Wagner's opera
a particular style:
Her bedroom is decorated in a Victorian theme.
a short piece of writing on a particular subject that you do for school [= essay]
piece of writingAmerican EnglishSES old-fashioned
Your homework is to write a two-page theme on pollution.