| ̷ ̷ ̷ ̷| ̷ ̷- noun
: a tongue-and-groove joint for boards in which the board with the tongue has also a flush bead which serves to conceal the joint
| ̷ ̷ ̷ ̷| ̷ ̷- noun
: a tongue-and-groove joint for boards in which the board with the tongue has also a flush bead which serves to conceal the joint
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012