Wordnet 3.0
ADJECTIVE (1)
1.
(of an eye) reddened as a result of locally congested blood vessels;
inflamed;
- Example: "bloodshot eyes"
The Collaborative International Dictionary of English v.0.48:
Bloodshot \Blood"shot`\, a. [Blood + shot, p. p. of shoot to
variegate.]
Red and inflamed; suffused with blood, or having the vessels
turgid with blood, as when the conjunctiva is inflamed or
irritated.
[1913 Webster]
His eyes were bloodshot, . . . and his hair disheveled.
--Dickens.
[1913 Webster]
WordNet (r) 3.0 (2006):
bloodshot
adj 1: (of an eye) reddened as a result of locally congested
blood vessels; inflamed; "bloodshot eyes"