I. bloom 1 /bluːm/ BrE AmE noun
[ Date: 1200-1300 ; Language: Old Norse ; Origin: blom ]
1 . [uncountable and countable] a flower or flowers:
beautiful red blooms
a mass of bloom on the apple trees
2 . in (full) bloom with the flowers fully open
3 . [singular, uncountable] the healthy happy appearance that someone has, especially when they are young:
The rosy bloom of her cheeks had faded.
II. bloom 2 BrE AmE verb [intransitive]
1 . if a plant or a flower blooms, its flowers appear or open
2 . to become happier, healthier, or more successful in a way that is very noticeable SYN blossom :
She was blooming the last time I saw her.