English dictionary, thesaurus, translations & etymology

Word of the Day Word Finder Rhymes Vocabulary words

Dictionary Thesaurus Translate Grammar Games Vocabulary

Slang Etymology Quiz Word Finder Rhymes Vocabulary words

Login Account Flashcards

Dictionary Thesaurus Translate Slang Etymology Grammar Word Finder Vocabulary words Games Quiz Vocabulary Word of the Day Flashcards

Login Account Flashcards

Home › Etymology › mucus

mucus

The origin and history of mucus.

Etymology

From Latin mucus, meaning nasal mucus.

Origin: Latin

← Back to the full definition of mucus

Explore

Definition meaning
Synonyms thesaurus
Rhymes rhyming

Daily word game Play Daily Word Challenge → Five fresh vocabulary questions, a new set every day.

FreeDict.com

A free online dictionary, thesaurus, etymology and translations in 34+ languages. Simple, fast and 100% free.

Explore

Dictionary Thesaurus Translate Vocabulary Word Finder Rhymes

Languages

Finnish French German Spanish View all languages →

More

Slang Grammar Games Quiz Flashcards Vocabulary words Guides

Site

About Contact Dictionary API Sources Privacy Terms

© 1999–2026 FreeDict.com

We use cookies for analytics and to show ads. You can accept these or continue with only the essential cookies needed to run the site. See our Cookie Policy.

VocabularyFlow

by FreeDict.com

An otter reading a book in a stream — the Vocabulary Flow mascot

Join over 100,000 vocabulary learners

Learn new English words for daily use — each one with meaning, pronunciation and an example. Free, no signup.