A Quick and Simple Dictionary

blueberry

1. Noun.  An edible round berry belonging to the ''cowberry'' family. (A botanically false berry.) It has flared "crowns" at the end that turn blue on ripening.
2. Noun.  The shrub of the above-mentioned berry.
3. Noun.  A dark blue colour.
4. Noun.  (geology) A mineral formation first identified by the Mars Exploration Rover ''Opportunity'' in 2004, so-named because of its resemblance to blueberry muffins. ''We see these strange round objects we're calling “spherules” embedded in the outcrop, like blueberries in a muffin.''.
5. Adjective.  Of a dark blue colour.