| Date: | 1400-1500 |
| Origin: | twi- 'two, twice' (from Old English) + light |
1 [uncountable]DN the small amount of light in the sky as the day ends
2 [uncountable]TMC the time when day is just starting to become night [= dusk]
3 [singular] the period just before the end of the most active part of someone's life

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