Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “cluster headache”

cluster headache

noun [C] uk   /ˈklʌs.təˌhed.eɪk/ us    /ˈklʌs.tər ˌhed.eɪk/ specialized
a very severe headache, affecting mainly one side of the head and happening several times within a period of time: Cluster headaches are a lifelong condition for most sufferers.
(Definition of cluster headache from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of cluster headache?
Add Cambridge dictionaries to your browser to your website

Word of the Day

piglet

a baby pig

Word of the Day

The way we move (Verbs for walking and running)

by Kate Woodford,
March 25, 2015
​​​ This week we’re looking at interesting ways to describe the way that people move. Most of the verbs that we’ll be considering describe how fast or slow people move. Others describe the attitude or state of mind of the person walking or running. Some describe both. Starting with verbs for walking slowly,

Read More 

stackin’ p

March 30, 2015
idiom slang earning a lot of money ‘That’s a very generous present.”Yeah, well, she’s stackin’ p, innit?’

Read More