boysenberry

noun

boy·​sen·​ber·​ry ˈbȯi-zᵊn-ˌber-ē 

-be-rē, 

-sᵊn-, 

-zᵊm-

: a large reddish black fruit with a raspberry flavor

also : the trailing hybrid bramble yielding this fruit and developed by crossing several blackberries and raspberries

Examples of boysenberry in a Sentence

Recent Examples on the Web

The boysenberry became Knott’s most profitable farm commodity and by 1940, the plants spanned 4 acres of Knott’s land. —Carolyn Burt, Oc Register, 27 Oct. 2025

Pie options were similar in number, ranging from lemon bar to pumpkin, boysenberry, Oreo chocolate and several cheesecakes. —Regina Elling, San Diego Union-Tribune, 14 Oct. 2025

Bright, medium deep purple; intriguing aromas of Damson plum, boysenberry, mocha and lavender. —Tom Hyland, Forbes.com, 19 June 2025

Available in more than a dozen colors from lollipop red to boysenberry and dark emerald, there's a hue for every kind of traveler and outfit. —Madison Flager, Condé Nast Traveler, 10 June 2025

Word History

Etymology

Rudolph Boysen †1950 American horticulturist + English berry

First Known Use

1935, in the meaning defined above

Kids Definition

boysenberry

noun

boy·​sen·​ber·​ry ˈbȯiz-ᵊn-ˌber-ē 

ˈbȯis-

1

: a large berry like a blackberry with the flavor of a raspberry

2

: the trailing bramble that produces boysenberries and was developed by crossing blackberry and raspberry plants