outcroppings Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition noun. 1 the part of a rock formation that appears above the surface of the surrounding land; 2 something that emerges suddenly or violently Example Sentence The outcroppings on the rock caused her foot to slip. Synonyms rock outcrop; outcrop; outbreak Antonyms hollow Hear It! Say It! Write It! outcroppings Switch to cursive Start Share with your friends: