[医] 水蛭吸血法

Leech \Leech\, v. t. [imp. & p. p. {Leeched} (l[=e]cht); p. pr.
& vb. n. {Leeching}.]
1. To treat as a surgeon; to doctor; as, to leech wounds.
[Archaic]

2. To bleed by the use of leeches.