Definition of "dove"

dove¹

/dʌv/

noun
countable and uncountable, plural doves
1. (countable) A pigeon, especially one smaller in size and white-colored; a bird (often arbitrarily called either a pigeon or a dove or both) of more than 300 species of the family Columbidae.
2. (countable, politics) A person favouring conciliation and negotiation rather than conflict.
3. (countable) Term of endearment for one regarded as pure and gentle.
  Quotations
  O my dove, […] let me hear thy voice.
  1611, The Holy Bible, […] (King James Version), London: […] Robert Barker, […], Song of Solomon 2:14
4. A greyish, bluish, pinkish colour like that of the bird.
5. (slang, countable) Short for love dove (“tablet of the drug ecstasy”).

dove²

/dəʊv/

verb
1. (chiefly Canada, US and England dialect) Strong simple past of dive
  Quotations
  When coffee and cocoa prices unexpectedly dove, Côte d’Ivoire quickly went from Africa’s rich kid to crippling debtitude.
  2007: Bob Harris, Who Hates Whom: Well-Armed Fanatics, Intractable Conflicts, and Various Things Blowing up: A Woefully Incomplete Guide, §: Africa, Liberia, Sierra Leone, and Côte d’Ivoire, page 80, ¶ 4 (first edition; Three Rivers Press;
2. (nonstandard) past participle of dive