columned

adjectives

having or resembling columns; having columns of a specified kind (often used as a combining form)
"a columned portico"; "trees with columned trunks"; "white-columned houses"
antonym
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'"