An`ti*cli"nal (-klī"nal), a. [Pref. anti- + Gr. kli`nein to incline.] Inclining or dipping in opposite directions. See Synclinal.

Anticlinal line, Anticlinal axis(Geol.), a line from which strata dip in opposite directions, as from the ridge of a roof. -- Anticlinal vertebra(Anat.), one of the dorsal vertebræ, which in many animals has an upright spine toward which the spines of the neighboring vertebræ are inclined.

An`ti*cli"nal, n. (Geol.) The crest or line in which strata slope or dip in opposite directions.