tornado Merriam Webster's Collegiate Dictionary Merriam Webster's Collegiate Dictionary Merriam Webster's Collegiate Dictionary tornado http://www.merriam-webster.com/dictionary/tornado Merriam Webster's Collegiate Dictionary Merriam Webster's Collegiate Dictionary tornado Merriam Webster's Collegiate Dictionary Tornado | Definition of tornado by Merriam-Webster Merriam Webster's Collegiate Dictionary Merriam Webster's Collegiate Dictionary www.merriam-webster.com/dictionary/tornado Merriam Webster's Collegiate Dictionary http://www.merriam-webster.com/dictionary/tornado Merriam Webster's Collegiate Dictionary dictionary Merriam Webster's Collegiate Dictionary