a Swiss patriot who lived in the early 14th century and who was renowned for his skill as an archer; according to legend an Austrian governor compelled him to shoot an apple from his son's head with his crossbow (which he did successfully without mishap)
discern or comprehend; "He could tell that she was unhappy"
let something be known; "Tell them that you will be late"
narrate or give a detailed account of; "Tell what happened"; "The father told a story to his child"
give evidence; "he was telling on all his former colleague"
make a counterattack and return like for like, especially evil for evil; "The Empire strikes back"; "The Giants struck back and won the opener"; "The Israeli army retaliated for the Hamas bombing"