1. a person who drinks, especially one who drinks alcohol regularly or excessively
Usage: often used in formal or literary contexts
2. a person or thing that absorbs or takes in something
Usage: less common; used in technical or figurative contexts

Examples

• He was known as a heavy imbiber of fine wines.
• The imbiber sat at the bar nursing a cocktail.
• As an imbiber of knowledge, she spent hours in the library.
• The sponge acts as an imbiber of water.
• Social imbibiers gathered at the tavern each evening.