bleed

sense 1: lose blood from one's body
shed_blood bleed hemorrhage

sense 2: draw blood; "In the old days, doctors routinely bled patients as part of the treatment"
bleed leech phlebotomize phlebotomise

sense 3: get or extort (money or other possessions) from someone; "They bled me dry--I have nothing left!"
bleed

sense 4: be diffused; "These dyes and colors are guaranteed not to run"
run bleed

sense 5: drain of water; "bleed the radiators"
bleed