A lengthy or extravagant speech or argument usually intended to persuade. (noun)
To talk or say (something) at length or extravagantly. (verb-transitive)
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.
Use "spiel" in a sentence
"Our standard spiel is to describe our work in the region."
"Today the sales spiel is that variation (a) isn't a safe bet, either, because "minor league" soccer on the West Coast may be ending soon."
"The spiel is a mix of ecology, myth-busting (water moccasins are not found in this region) and safety tips (most bites occur when someone is trying to catch the snake)."