noun
(countable) An edible round berry, belonging to the cowberry group (Vaccinium sect. Cyanococcus), with flared crowns at the end, that turns blue on ripening.
(countable) The shrub of the above-mentioned berry.
(countable and uncountable) A dark blue colour.
adjective
Of a dark blue colour.
(rare) Resembling or characteristic of blueberries.
verb
To gather or forage for blueberries.