Definition of "part of speech" [part of speech]

• One of a group of traditional classifications of words according to their functions in context, including the noun, pronoun, verb, adjective, adverb, preposition, conjunction, and interjection, and sometimes the article. (noun)
• A word considered as a part of speech. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "In the other passages where proskuneo occurs the case is not shown on account of some other part of speech being used with the verb."