طمر

مَطْمُورَةٌ ذ A hollow, or cavity, dug in the ground, (S, A, Mgh, Msb, K,) widened in the lower part, (TA,) in which wheat is hidden, (S, Mgh,) or grain: (TA:) a house, chamber, cell, or cellar, constructed in the ground: (IDrd, Mgh, Msb:) pl. مَطَامِيرُ. (A, Mgh.) ― -b2- And A prison, or place of confinement. (TA.)