1
a
: a tropical monocotyledonous plant (Ananas comosus of the family Bromeliaceae, the bromeliad family) that has rigid spiny-margined recurved leaves and a short stalk with a dense oblong head of small abortive flowers
b
: the large edible multiple fruit of the pineapple that consists of the sweet succulent fleshy inflorescence
2
: a hand grenade

Examples of pineapple in a Sentence

a can of chopped pineapple
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
When choosing a fresh pineapple, look for one that feels heavy and smells lightly sweet near the base. Amy Brownstein, Verywell Health, 3 July 2026 Orange-pineapple juice blends with sweet tea to make a spirited cocktail that will hit the spot on game day or a pool day. Nellah Bailey McGough, Southern Living, 4 July 2026 Great for grilling, this Atlantic salmon filet is marinated in pineapple seasoning. Michele Laufik, Martha Stewart, 3 July 2026 Order their Cheeseburger in Paradise — which is, of course, a cocktail — with rum, gin, citrus, pineapple and coconut. Blair Crosby, AJC.com, 5 July 2026 See All Example Sentences for pineapple

Word History

First Known Use

1624, in the meaning defined at sense 1a

Time Traveler
The first known use of pineapple was in 1624

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Cite this Entry

“Pineapple.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pineapple. Accessed 8 Jul. 2026.

Kids Definition

pineapple

noun
: a tropical plant with stiff spiny sword-shaped leaves and a short flowering stalk that develops into an edible fruit with usually pale yellow sweet juicy flesh and very thick skin
also : this fruit
Etymology

Middle English pinappel "the cone of a pine"; so called because the fruit looks like the cone from a pine tree

Medical Definition

pineapple

noun
1
: a tropical monocotyledonous plant (Ananas comosus of the family Bromeliaceae, the pineapple family) that has rigid spiny-margined recurved leaves and a short stalk with a dense oblong head of small abortive flowers
2
: the multiple fruit of the pineapple that consists of the succulent fleshy inflorescence and whose juice is the source of the proteolytic enzyme bromelain

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