night (EN)
noun, interjection

noun “night”

sg. night, pl. nights or uncountable
  1. the period of darkness between sunset and sunrise
    The children were excited to camp outside and watch the stars at night.
  2. an occasion spent doing a specific activity during the evening or nighttime
    They planned a special night at the opera for their anniversary.
  3. the onset of darkness in the evening
    The farmers worked tirelessly from dawn until night to harvest the crops.
  4. the state of darkness that occurs during the evening and nighttime hours
    As the power went out, the room was suddenly enveloped in night.

interjection “night”

night
  1. a shortened way of saying "good night" as a farewell
    After the party ended, she waved and said, "Night, everyone!"