Definition of "nosing" []

• The horizontally projecting edge of a stair tread. (noun)
• A shield covering this edge. (noun)
• A projecting edge of a molding. (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.

• "For anyone interested in nosing around sewers, I'm sure google will be delighted to help."
• "They sniff the bourbon -- called "nosing" -- and check its color."
• "They sniff the bourbon - called "nosing" - and check its color."