Definitions
1.Nounpineapple fruit
2.Nounpineapple plant (Ananas comosus)
3.Nouna certain fragrant, sweet cultivar of pineapple
4.Nouna difficult situation
5.Noun(The addition of quotations indicative of this usage is being sought:) pineapple (hand grenade)
6.Nouna member of a now extinct indigenous people that lived near the Abacaxis River