Bulgarian-English translations for коляно

• crank
  I grind my coffee by hand with a coffee grinder with a crank handle
  Yes, a crank was all it needed to start
  Billy-Bob is a nasty old crank! He chased my cat away
• knee
  Penny was wearing a miniskirt, so she skinned her exposed knees when she fell
  To make a knee
  the knee of a graph
• tribe
  the Duchess tribe of shorthorns