laughter meaning
EN
[ˈlɑːftə] [ˈlæftɚ] [-ɑːftə(r)] 
US WLaughter
- Laughter is a physical reaction in humans and some other species of primate, consisting typically of rhythmical, often audible contractions of the diaphragm and other parts of the respiratory system.
- Laughter is a part of human behavior regulated by the brain, helping humans clarify their intentions in social interaction and providing an emotional context to conversations.
- The study of humor and laughter, and its psychological and physiological effects on the human body, is called gelotology.
- NounPLlaughtersSUF-ter
- The sound of laughing, produced by air so expelled; any similar sound.
- Their loud laughter betrayed their presence.
- A movement (usually involuntary) of the muscles of the laughing face, particularly of the lips, and of the whole body, with a peculiar expression of the eyes, indicating merriment, satisfaction or derision, and usually attended by a sonorous and interrupted expulsion of air from the lungs.
- (archaic) A reason for merriment.
- The sound of laughing, produced by air so expelled; any similar sound.
- More Examples
- Used in the Middle of Sentence
- After the laughter that was directed at him after his first tissy-fit, Mark started to tissy for a whole new reason.
- She was bubbling over with laughter as she ran into the room.
- But if they had known, / Then had there been no mystery; / And Life had been poorer, / And laughter unsurer, / And the shadow of death securer — Charles G D Roberts
- Used in the Ending of Sentence
- 'Is it far to walk,' asked Ruth, 'or should I take a bus?' 'Bus!' The barrow-boy roared with laughter.
- There were several loud hiccups from the back of the room, and the class erupted in laughter.
- Used in the Middle of Sentence
Definition of laughter in English Dictionary
- Part-of-Speech Hierarchy
- Nouns
- Countable nouns
- Singularia tantum
- Uncountable nouns
- Uncountable nouns
- Countable nouns
- Nouns
- en laughters
- en laughterful
- en laughterless
- en laughter lines
Source: Wiktionary
Grammatically, this word "laughter" is a noun, more specifically, a countable noun and a singularia tantum.