noun

• (collective) Flowers.
• (uncountable) The opening of flowers in general; the state of blossoming or of having the flowers open.
  "The cherry trees are in bloom."
• (figuratively) A state or time of beauty, freshness, and vigor; an opening to higher perfection, analogous to that of buds into blossoms.
  "the bloom of youth"
• (countable, uncountable) An algal bloom.
  "Where upwellings or other sources of nutrients allow Ehux to abound, it can proliferate, as blooms, to the point that the ocean turns milky."

verb

• (transitive) To cause to blossom; to make flourish.
  "Charitable affection bloomed them."
• (transitive) To bestow a bloom upon; to make blooming or radiant.
  "The Tree of Life[…]blooming Ambrosial Fruit Of vegetable Gold."
• (intransitive) Of a plant, to produce blooms; to open its blooms.
  "A flower which once / In Paradise, fast by the tree of life, / Began to bloom."
• (intransitive, figuratively) To spread; to slowly expand like a field of flowers that blossom in fits and spurts.
  "Shadows bloomed over the yard."