The phrase "glass candlesticks" refers to candle holders made of glass, commonly used to hold candles during events or for decorative purposes. Full definition
A collection of mercury glass candlestick holders interwoven with twinkle lights adds glitter, while lemon cyprus trees release a citrusy scent into the room. (styleathome.com)
I see those little glass candlestick holders everywhere, and I love the way they look partnered with that rustic wood! (theletteredcottage.net)