The verb hone means to sharpen skills. When you practice shooting baskets every day after school, you are honing your skills as a basketball player.
Hone, the verb, literally means to sharpen with a hone, a whetstone used to sharpen cutting tools. Use hone to describe someone working hard, perfecting or sharpening skills, as in "She is honing her skills as an actress by working in community theater." Hone, which rhymes with phone, is from the Old English word, han, meaning "stone, rock."