Dictionary.com
Thesaurus.com

kombu

American  
[kohm-boo] / ˈkoʊm bu /
Or konbu

noun

  1. a brown Japanese seaweed, sun-dried before use in sushi, stocks, etc.


kombu British  
/ ˈkɒmbuː /

noun

  1. a dark brown seaweed of the genus Laminaria (class Phaeophyceae) the leaves of which are dried and used esp in Japanese cookery

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of kombu

C19: Japanese

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

People assume it's rubbery, but that's Pacific kelp - Japanese kombu.

From BBC Apr. 29, 2026

The maki rolls are flavorful, the crudo bright and refreshing, and there are plenty of vegetable-forward dishes as well, like tempura eggplant and kombu carrots.

From Salon Feb. 2, 2026

Emily Han writes in The Kitchn that kombu is a staple Japanese ingredient that is "a seaweed that makes for a versatile pantry ingredient, providing dishes with umami flavor, nutrients, and minerals."

From Salon May 14, 2024

She likes to add a small piece of kombu to her rice while it cooks, and sometimes seasons the cooked rice with fresh ginger, a splash of sake, toasted sesame seeds or minced herbs.

From Washington Post May 5, 2022

An essentially excellent apple cake — a family recipe from Beaird’s aunt — felt effortful paired with madrone-bark sabayon and kombu ice cream, the introduction of algae an overreach toward a savory element.

From Seattle Times Mar. 17, 2022

Vocabulary.com logo
by dictionary.com

Just like flashcards, but way more fun

Don't take our word for it. Leave the boring studying behind and join VocabTrainer today. You'll learn even faster and never look back.

Take me to Vocabulary.com