noun see: gambit Date: 14th century an upright piece or surface forming the side of an opening (as for a door, window, or fireplace), a projecting columnar part or mass
JAMB
Meaning of JAMB in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012