when
n. நிகழ்ச்சிக்காலம், நிகழ்ச்சிநேரம், நிகழ்ச்சிக்கால வரையறை, நிகழ்ச்சிக்கால இடச்சூழல், எந்தக்காலம், எந்தநேரம், என்ற காலம், என்ற சமயம், என்பதற்குரிய வேளை, எப்பொழுது என்ற செய்தி, (வினையடை.) எப்பொழுது, எந்தச்சமயம், என்றைக்கு, எந்தக் காலம், பொழுது, என்ற பொழுதில், என்பதை அடுத்து, என்றவுடன்.
When, adv. Etym: [OE. when, whan, whenne, whanne, AS. hwænne, hwanne, hwonne; akin to OS. hwan, OD. wan, OHG. wanne, G. wann when, wenn if, when, Goth. hwan when, and to E. who. Who.] 1. At what time; -- used interrogatively. When shall these things be Matt. xxiv. 3. Note: See the Note under What, pron., 1. 2. At what time; at, during, or after the time that; at or just after, the moment that; -- used relatively. Kings may Take their advantage when and how they list. Daniel. Book lore ne'er served, when trial came, Nor gifts, when faith was dead. J. H. Newman. 3. While; whereas; although; -- used in the manner of a conjunction to introduce a dependent adverbial sentence or clause, having a causal, conditional, or adversative relation to the principal proposition; as, he chose to turn highwayman when he might have continued an honest man; he removed the tree when it was the best in the grounds. 4. Which time; then; -- used elliptically as a noun. I was adopted heir by his consent; Since when, his oath is broke. Shak. Note: When was formerly used as an exclamation of surprise or impatience, like what! Come hither; mend my ruff: Here, when! thou art such a tedious lady! J. Webster. When as, When that, at the time that; when. [Obs.] When as sacred light began to dawn. Milton. When that mine eye is famished for a look. Shak.