Cocktail and coffee tables are often considered interchangeable. Cocktail tables are often curvier and smaller in size than coffee tables.
a table positioned in front of the major seating units which provides a surface for serving
A table normally positioned in front of a sofa, which provides a surface for serving. Find a coffee table.
A low table used in front of a sofa or chair. Intended for serving cocktails, but often holds accessories.
Low table, any shape, used in front of sofa or chair when serving cocktails; otherwise, holds accessories.