Definition of autumn in English:

autumn

noun

British
  • 1The season after summer and before winter, in the northern hemisphere from September to November and in the southern hemisphere from March to May.

    ‘the countryside is ablaze with colour in autumn’
    ‘Europe can expect warmer summers and wetter autumns’
    as modifier ‘autumn leaves’
    figurative ‘he was in the autumn of his life’
    • ‘She said a holiday booked in the autumn of one year might be taken the following autumn.’
    • ‘One touring show has fallen by the wayside since the autumn season brochures were printed.’
    • ‘As part of this task he travelled to the United States on a fact finding tour in the autumn of 1898.’
    • ‘From the start of the autumn term in September, she will be deputy head teacher at Headlands.’
    • ‘It will be warmer all year round, with most of the warming taking place in the summer and the autumn.’
    • ‘He said it was given to her in the autumn of 1997, with a copy kept for the company's files.’
    • ‘In autumn when the leaves lie thick on the ground, these diligent workers sweep up and bag the leaves.’
    • ‘In consequence the autumn colours are muted, just soft dusty yellows for the most part.’
    • ‘All trials were conducted in the autumn of 1996, and summers and autumns of 1997 and 1998, during the dry season characteristic of the region.’
    • ‘In the autumn of the following year I was in Dudley town centre, a place I rarely visited.’
    • ‘Visit in late summer or autumn, though, and you will see this charming medieval city at its best.’
    • ‘Come autumn, the leaf colour warms up, becoming singed with red, a real treat to witness.’
    • ‘Only once have I seen out a full summer here, many autumns I have been away, but to date I have missed only two springs.’
    • ‘Romania has hot summers, cool autumns, and cold winters with snow and winds.’
    • ‘We will soon have the main autumn leaf fall on top of this, resulting in clogged up drains.’
    • ‘At 42, he is in the autumn of his career and cannot quite work out why he keeps winning.’
    • ‘In the U.K. we will have hotter springs and summers, with warm but extremely wet autumns and winters.’
    • ‘Ohio wineries have discovered that their long autumns and late November freezes are ideal.’
    • ‘Colorado has the most lovely summers and autumns.’
    • ‘Limit future infections by keeping excess moisture off the foliage in the autumn and winter.’
    decline, waning, downturn, ebb
    View synonyms
    1. 1.1Astronomy The period from the autumn equinox to the winter solstice.
      • ‘The Autumn Equinox marks the arrival of autumn, which will sneaking up to us this Thursday!’
      • ‘At the autumnal equinox, the sun appears to cross the celestial equator, from north to south; this marks the beginning of autumn in the Northern Hemisphere.’
      • ‘The autumnal equinox is the first day of autumn and occurs when the North Pole begins to lean away from the sun.’
      • ‘The autumnal equinox is the day when Autumn begins and night and day are nearly the same length.’
      • ‘The seasons are Spring, Summer, Autumn, and Winter, with the start of each season noted as vernal equinox, summer solstice, autumnal equinox, and winter solstice.’

Origin

Late Middle English: from Old French autompne, or later directly from Latin autumnus.

Pronunciation

autumn

/ˈɔːtəm/