The term 'ONE OF A DOZEN' can be broken down into five separate words, each of which is represented by a crossword solution. The first solution is 'LEO', which is a three letter word meaning 'LION'. The second solution is 'ZEE', which is also a three letter word and is the phonetic spelling of the letter 'Z'. The third solution is 'MONTH', which is a five letter word referring to a period of time lasting approximately 30 days. The fourth solution is 'EGG', which is a three letter word referring to the reproductive cell of a female bird or other animal. The last solution is 'MAY', which is a three letter word referring to the fifth MONTH of the year. Together, these five solutions form the phrase 'ONE OF A DOZEN', meaning something that is one out of twelve.