COLUMNAR a.
epithelium in which the cells are priismatic in form, and set upright on the surface they cover. -- Columnar structure (Geol.), a structure consisting of more or less regular columns, usually six-sided, but sometimes with eight or more sides. The columns are often fractured transversely, with a cup joint, showing a co…
COMPANION n.
A wooden hood or penthouse covering the companion way; a companion hatch. Companion hatch (Naut.), a wooden porch over the entrance or staircase of the cabin. -- Companion ladder (Naut.), the ladder by which officers ascend to, or descend from, the quarter-deck. Totten. -- Companion way (Naut.), a staircase leading t…