text: -- Your SQL goes here
  CREATE TABLE IF NOT EXISTS definition(
    word_id SERIAL PRIMARY KEY, 
    word TEXT UNIQUE NOT NULL,
    meaning_id INT NOT NULL,
    antonyms TEXT[] NOT NULL,
    synonyms TEXT[] NOT NULL,
    CONSTRAINT fk_meaning
      FOREIGN KEY(meaning_id) 
        REFERENCES meaning(meaning_id)
          ON DELETE CASCADE
  );