(ˈpaɪnˌæpəl)
1. The edible, juicy, collective fruit of a tropical, bromeliaceous plant, Ananas comosus, that develops from a spike or head of flowers and is surmounted by a crown of leaves.
2. The plant itself, having a short stem and rigid, spiny-margined, recurved leaves.
3. Military Slang. a fragmentation hand grenade.