humour meaning
EN
[ˈhjuːmɚ] [ˈjuːmɚ] [ˈçuː.mə(ɹ)] [hjuː.mə(ɹ)] [-uːmə(ɹ)] 
US US WHumour
- Humour or humor (see spelling differences) is the tendency of particular cognitive experiences to provoke laughter and provide amusement.
- People of all ages and cultures respond to humour. Most people are able to experience humour—i.e., to be amused, to smile or laugh at something funny—and thus are considered to have a sense of humour.
FR humour 
- NounPLhumours
- (obsolete) Moist vapour, moisture.
- (archaic or historical) Any of the fluids in an animal body, especially the four "cardinal humours" of blood, yellow bile, black bile and phlegm that were believed to control the health and mood of the human body.
- (medicine) Either of the two regions of liquid within the eyeball, the aqueous humour and vitreous humour.
- (uncountable) A mood, especially a bad mood; a temporary state of mind or disposition brought upon by an event; an abrupt illogical inclination or whim.
- He was in a particularly vile humour that afternoon.
- (uncountable) The quality of being amusing, comical, funny.
- She has a great sense of humour, and I always laugh a lot whenever we get together.
- The sensitive subject was treated with humour, but in such way that no one was offended.
- (obsolete) Moist vapour, moisture.
- VerbSGhumoursPRhumouringPT, PPhumoured
- (transitive) To pacify by indulging.
- I know you don't believe my story, but humour me for a minute and imagine it to be true.
- (transitive) To pacify by indulging.
- More Examples
- Used in the Middle of Sentence
- She was in no humour for conversation with anyone but himself; and to him she had hardly courage to speak.
- Used in the Ending of Sentence
- Charles had not been employed at Darracott Place above six months, but he was not such a whopstraw as to make the least noise in the performance of his duties when his lordship was out of humour.
- Further, the joint-glands themselves grow rigid, and secern less of their proper humour.
- Used in the Middle of Sentence
Definition of humour in English Dictionary
- Part-of-Speech Hierarchy
- Nouns
- Countable nouns
- Singularia tantum
- Uncountable nouns
- Uncountable nouns
- Countable nouns
- Verbs
- Transitive verbs
- Transitive verbs
- Nouns
Source: Wiktionary
Grammatically, this word "humour" is a noun, more specifically, a countable noun and a singularia tantum. It's also a verb, more specifically, a transitive verb.