1. a brush with a long handle and bristles arranged in a cylindrical shape, used for cleaning the inside of bottles
2. any of various trees or shrubs with cylindrical flower clusters that resemble a bottle brush, especially those of the genus Callistemon
Usage: botanical

Examples

• She used a bottlebrush to clean the narrow-necked vase.
• The baby bottles required a special bottlebrush to reach the bottom.
• Red bottlebrush trees bloomed beautifully in the garden.
• The bottlebrush plant attracted hummingbirds with its bright flowers.
• He scrubbed the test tubes with a small bottlebrush.
• The Australian bottlebrush is popular in landscaping.
• She bought a new bottlebrush for cleaning wine bottles.