Inclining in opposite directions from a central axis: applied to stratified rocks when they incline or dip from a central unstratified mass, or when in consequence of crust-movements they have been folded or pressed together so that they dip each way from a central plane, which indicates the line parallel to which the folding has taken place: opposed to synclinal. Occasionally anticlinic and anticlinical.n. In geology, an anticlinal line or axis, or an anticlinal fold; an anticlinal arrangement of strata: opposed to synclinal.They may be inertactive (albuminigenous), orcotyloid. Vesque.