To form such hardened tissue.
A shining area on the frons of many species of Tabanomorpha (horse flies and relatives).
The material of repair in fractures of bone; a substance exuded at the site of fracture, which is at first soft or cartilaginous in consistency, but is ultimately converted into true bone and unites the fragments into a single piece.
The new formation over the end of a cutting, before it puts out rootlets.
A hardened area of the skin (especially on the foot or hand) caused by repeated friction, wear or use.
To cut; to form or shape by cutting; to make by incision, hewing, etc.
To dig or cultivate very deeply, usually by digging parallel contiguous trenches in succession, filling each from the next.
To excavate an elongated pit for protection of soldiers and or equipment, usually perpendicular to the line of sight toward the enemy.
To have direction; to aim or tend.
To cut furrows or ditches in.
To excavate an elongated and often narrow pit.
To invade, especially with regard to the rights or the exclusive authority of another; to encroach.
A long, narrow ditch or hole dug in the ground.
A narrow excavation as used in warfare, as a cover for besieging or emplaced forces.
A pit, usually rectangular with smooth walls and floor, excavated during an archaeological investigation.
A trench coat.