Definitions for "Trendlines"
straight line that connects signficant highs or lows
A straight line in technical analysis that connects a series of chart low points to define an uptrend or a series of chart high points to define a downtrend.
Straight lines drawn on a chart below reaction lows (in an uptrend) or above rally peaks (in a downtrend) that determine the steepness of the current trend.