boomer

Short definition from Wiktionary

Noun

1. 1
   Something that makes a booming sound.
2. 2
   A transient worker who would move from boom town to boom town in search of temporary work.
3. 3
   A device used to bind or tighten chain.
4. 4
   A nuclear ballistic missile submarine, SSBN.
5. 5
   A Eurasian bittern (subfamily Botaurinae).
6. 6
   An adult male kangaroo.
7. 7
   A red squirrel (Tamiasciurus hudsonicus).
8. 8
   A mountain beaver (Aplodontia rufa).
9. 9
   A player who prioritises economic development and securing resources (and therefore future production) over offence or defence.
10. 10
    Alternative letter-case form of Boomer (“Oklahoma settler”).
11. 11
    Ellipsis of baby boomer.
12. 12
    An elderly person, regardless of generation.
13. 13
    A person who is too old to be familiar with the use of recent technology.
14. 14
    A member of a 19th century movement which campaigned for the opening of "Unassigned Lands" within the Indian Territory (now Oklahoma) for settlement.
15. 15
    Alternative form of boomer (“baby boomer”).

Proper noun

1. 1
   A surname.