INCERTUM
Source: 567
‖In‐cer″tum (?), a. Doubtful; not of definite form. Opus incertum (Anc. Arch.), a kind of masonry employed in building walls, in which the stones were not squared nor laid in courses; rubblework.
Source: 567
‖In‐cer″tum (?), a. Doubtful; not of definite form. Opus incertum (Anc. Arch.), a kind of masonry employed in building walls, in which the stones were not squared nor laid in courses; rubblework.