Definition of laughs:
		
		
		(n) :
		
		an expression of 
mirth particular to the human 
species; the sound heard in laughing; 
laughter; something that provokes mirth or scorn
		
 
								
				"1803 The Poetical Works of Oliver Goldsmith, M.B.: With an Account of His Life Page 45: And the loud laugh that spoke the vacant mind. -- Oliver Goldsmith"
			
			
	
		
		
		(v) :
		
		to show 
mirth, 
satisfaction, or 
derision, by 
peculiar movement of the 
muscles of the 
face, particularly of the 
mouth, causing a 
lighting up of the face and 
eyes, and usually accompanied by the 
emission of 
explosive or 
chuckling sounds from the 
chest and 
throat; to 
indulge in 
laughter; to be or appear cheerful, pleasant, mirthful, lively, or brilliant; to sparkle; to sport
		
 
								
				"queen Hecuba laughed that her eyes ran o'er. -- Shakespeare, Troilus and Cressida, I-ii"