Grade 6 iceberg's Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition possessive noun. a large floating mass of ice that has broken from a glacier. Example Sentence The iceberg's tip is cold. Synonyms ice; floating mass of ice; chunk of ice Antonyms melt; water; hot Hear It! Say It! Write It! iceberg's Switch to cursive Start Share with your friends: