From The Collaborative International Dictionary of English v.0.48:
Sport \Sport\ (sp[=o]rt), n. [Abbreviated from disport.] 1. That which diverts, and makes mirth; pastime; amusement. [1913 Webster]
It is as sport to a fool to do mischief. --Prov. x. 23. [1913 Webster]
Her sports were such as carried riches of knowledge upon the stream of delight. --Sir P. Sidney. [1913 Webster]
Think it but a minute spent in sport. --Shak. [1913 Webster]
2. Mock; mockery; contemptuous mirth; derision. [1913 Webster]
Then make sport at me; then let me be your jest. --Shak. [1913 Webster]
3. That with which one plays, or which is driven about in play; a toy; a plaything; an object of mockery. [1913 Webster]
Flitting leaves, the sport of every wind. --Dryden. [1913 Webster]
Never does man appear to greater disadvantage than when he is the sport of his own ungoverned passions. --John Clarke. [1913 Webster]
4. Play; idle jingle. [1913 Webster]
An author who should introduce such a sport of words upon our stage would meet with small applause. --Broome. [1913 Webster]
5. Diversion of the field, as fowling, hunting, fishing, racing, games, and the like, esp. when money is staked. [1913 Webster]
6. (Bot. & Zool.) A plant or an animal, or part of a plant or animal, which has some peculiarity not usually seen in the species; an abnormal variety or growth. See Sporting plant, under Sporting. [1913 Webster]
7. A sportsman; a gambler. [Slang] [1913 Webster]
In sport, in jest; for play or diversion. "So is the man that deceiveth his neighbor, and saith, Am not I in sport?" --Prov. xxvi. 19. [1913 Webster]
Syn: Play; game; diversion; frolic; mirth; mock; mockery; jeer. [1913 Webster]
From The Collaborative International Dictionary of English v.0.48:
Sport \Sport\, v. t. 1. To divert; to amuse; to make merry; -- used with the reciprocal pronoun. [1913 Webster]
Against whom do ye sport yourselves? --Isa. lvii. 4. [1913 Webster]
2. To represent by any kind of play. [1913 Webster]
Now sporting on thy lyre the loves of youth. --Dryden. [1913 Webster]
3. To exhibit, or bring out, in public; to use or wear; as, to sport a new equipage. [Colloq.] --Grose. [1913 Webster]
4. To give utterance to in a sportive manner; to throw out in an easy and copious manner; -- with off; as, to sport off epigrams. [R.] --Addison. [1913 Webster]
To sport one's oak. See under Oak, n. [1913 Webster]
From The Collaborative International Dictionary of English v.0.48:
Sport \Sport\, v. i. [imp. & p. p. Sported; p. pr. & vb. n. Sporting.] 1. To play; to frolic; to wanton. [1913 Webster]
[Fish], sporting with quick glance, Show to the sun their waved coats dropt with gold. --Milton. [1913 Webster]
2. To practice the diversions of the field or the turf; to be given to betting, as upon races. [1913 Webster]
3. To trifle. "He sports with his own life." --Tillotson. [1913 Webster]
4. (Bot. & Zool.) To assume suddenly a new and different character from the rest of the plant or from the type of the species; -- said of a bud, shoot, plant, or animal. See Sport, n., 6. --Darwin. [1913 Webster]
Syn: To play; frolic; game; wanton. [1913 Webster]