having or resembling columns; having columns of a specified kind (often used as a combining form)
is similar to
having columns either at both ends or at both sides
is similar to
characterized by columns
"columnar construction"
is similar to
having the form of a column
"trees with columniform trunks"; "columnar forms"; "a columnlike tree trunk"
is similar to
having a series of columns arranged at regular intervals
is similar to
having pillars
"the pillared portico"
domain usage
a bound form used only in compounds
"`hemato-' is a combining form in words like `hematology'"