Bloody sweat: The sign and token of our Lord's great agony (Luke 22:44).

Noah Webster's New International Dictionary of the English Language

1. (a.) Containing or resembling blood; of the nature of blood; as, bloody excretions; bloody sweat.

2. (a.) Smeared or stained with blood; as, bloody hands; a bloody handkerchief.

3. (a.) Given, or tending, to the shedding of blood; having a cruel, savage disposition; murderous; cruel.

4. (a.) Attended with, or involving, bloodshed; sanguinary; esp., marked by great slaughter or cruelty; as, a bloody battle.

5. (a.) Infamous; contemptible; -- variously used for mere emphasis or as a low epithet.

6. (v. t.) To stain with blood.