These four dresses have different necklines.
neckline definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
the line formed by the edge of a garment around or nearest the neck
neckline definition by American Heritage Dictionary
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
The line formed by the edge of a garment at or near the neck.
neckline - Investment & Finance Definition
The line that connects the two lowest points on the intermediate declines of a head-and-shoulders chart pattern. In an inverted head-and-shoulders formation, the neckline connects the two intermediate tops. If the second shoulder breaks through the neckline, it is an indication of a major price movement in the direction of the breakout.