et al. n. abbreviation for the Latin phrase et alii meaning and others.. This is commonly used in shortening the name of a case, as in Pat Murgatroyd v. Sally Sherman, et al..adverb and all, and everyone, and more of the same, and other parties, and other things, and others, and the rest.hen affixed after the name of a person, et al. indicates that additional persons are acting in the same manner, such as several plaintiffs or grantors. When et al. is used in a judgment against defendants, it means that the quoted words are applicable to all the defendants.