leach

mastery
/liːt͡ʃ/nounnameverb

card 1 of 8 · context meaning

What does 'leach' refer to in this sentence?

"This is the leach," said Kitty, pointing to a large, yellowish, upright wooden cylinder, which rested on some slanting boards, down the surface of which ran a brownish liquid that dripped into a trough.