Definitions

1. adjective

Having the form of, or resembling, a column; especially, of or relating to a columnar structure, such as a type of crystal or a type of tree growth.

“The columnar structure of the ancient temple was impressive.”

2. adjective

Having a columnar or cylindrical shape, such as a type of cell or a type of rock formation.

“The geologist studied the columnar basalt formations in the region.”

3. noun

A type of tree growth, especially of a coniferous tree.

“The park ranger explained the columnar growth pattern of the pine trees.”