COLOPHON n.
monogram, or cipher, containing the place and date of publication, printer's name, etc., formerly placed on the last page of a book. The colophon, or final description, fell into disuse, and . . . the title page had become the principal direct means of identifying the book. De Morgan. The book was uninjured from title…
COLUMNAR a.
Formed in columns; having the form of a column or columns; like the shaft of a column. Columnar epithelium (Anat.), 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,…