Tabletop/ˈteɪbltɑːp/ Definition 1 of 2Pro Tip 1/3Physical Object Refers to the actual physical surface of a table where items can be placed. Please wipe the tabletop after you finish your craft project. Pro Tip 2/3Not Seating Though 'tabletop' sounds inviting, it's not usually meant for sitting. The cat was scolded for jumping onto the tabletop. Pro Tip 3/3Material Specific The word may come before a material to describe the type, like 'glass tabletop'. They chose a wooden tabletop for the dining room's rustic theme.