From The Collaborative International Dictionary of English v.0.48:
Snort \Snort\, v. i. [imp. & p. p. Snorted; p. pr. & vb. n. Snorting.] [OE. snorten; akin to snoren. See Snore.] 1. To force the air with violence through the nose, so as to make a noise, as do high-spirited horsed in prancing and play. --Fairfax. [1913 Webster]
2. To snore. [R.] "The snorting citizens." --Shak. [1913 Webster]
3. To laugh out loudly. [Colloq.] --Halliwell. [1913 Webster]
From The Collaborative International Dictionary of English v.0.48:
Snort \Snort\, n. The act of snorting; the sound produced in snorting. [1913 Webster]
From The Collaborative International Dictionary of English v.0.48:
Snort \Snort\, v. t. To expel throught the nostrils with a snort; to utter with a snort. --Keats. [1913 Webster]