| 1. | a bright planet seen in the western sky at or soon after sunset, esp. Venus. |
| 2. | any planet that rises before midnight. |
| evening star n. A planet, especially Venus or Mercury, that is prominent in the west shortly after sunset. |
Evening Star
A bearish candlestick pattern consisting of three candles that have demonstrated the following characteristics:
1. The first bar is a large white candlestick located within an uptrend.
2. The middle bar is a small-bodied candle (red or white) that closes above the first white bar.
3. The last bar is a large red candle that opens below the middle candle and closes near the center of the first bar's body.
As shown by the chart below, this pattern is used by traders as an early indication that the uptrend is about to reverse. 
Investopedia Commentary
Evening star formations can be useful in determining trend changes, particularly when used in conjunction with other indicators. Many traders use price oscillators and trendlines to confirm this candlestick pattern.
Related Links
The Art of Candlestick Charting - Part 1
The Art of Candlestick Charting - Part 2
The Art of Candlestick Charting - Part 3
The Art of Candlestick Charting - Part 4
Make Sharp Trades Using Andrew's Pitchfork
See also: Bar, Bear, Candlestick, Indicator, Oscillator, Real Body, Reversal, Trendline