Definition of "drainpipe" [drain•pipe]

• A pipe for carrying off water or sewage. (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.

• "Ideally, the drainpipe is sloped or inclined approximately 2% or ¼ inch per foot of length, to keep the waste in the pipe, wet and amid liquid to lubricate and promote its slow but constant movement along the length of the pipe."
• "Vital Signs - If there is one thing guaranteed to set a Lemmings teeth on edge it's white guys with dreadlocks, no I really mean 'drainpipe' reggae (i.e. no flair)."
• "She flushed the toilet, and we all three stood there crowded into the little bathroom and watched the water swirl and kerplunk down the drainpipe and gurgle as the bowl and tank refilled themselves."