radilica

1. (of a bee) worker bee
   Radilice u košnici žive samo nekoliko nedelja. — Worker bees in the hive live only a few weeks.
2. colloq. (of a person) hard worker; workhorse
   Moja mama je prava radilica, nikad ne odmara. — My mum is a real workhorse, she never rests.
3. (in an engine) crankshaft
   Majstor kaže da je radilica oštećena. — The mechanic says the crankshaft is damaged.