Webster's Revised Unabridged Dictionary · 1913

Scalariform

Scalariform , adjective

[Latin scalare, scalaria, staircase, ladder + -form: compare French scalariforme.]

1.
Resembling a ladder in form or appearance; having transverse bars or markings like the rounds of a ladder; as, the scalariform cells and scalariform pits in some plants.
2.
(Zoology) Like or pertaining to a scalaria.