The book an imperfect weekend by mark sager. part two?

i have this for school and i cant find any of these vocab words and what they mean. will anyone help me. the words are piston.morse code.elaborate. whittle. excruciating. tourniquet. lubricant. i also need help with this question "what do we know about how lee deals with a problem. keep in mind he did his business and what he did when he realized no one was coming to help him. I hope i get good responses. thats :)