1.To plunge into water head foremost; to thrust the body under, or deeply into, water or other fluid. "It is not that pearls fetch a high price because men have dived for them." Note: The colloquial form dove is common in the United States as an imperfect tense form. "All (the walruses) dove down with a tremendous splash." "When closely pressed it (the loon) dove... and left the young bird sitting in the water."
2.Fig.: To plunge or to go deeply into any subject, question, business, etc.; to penetrate; to explore.
...
