Definition of plication in English:



  • 1A fold or corrugation.

    • ‘In some specimens of this species the shell plications may be grooved (divided by two grooves) due to abrasion of the shell, as first noted by Fenton and Fenton.’
    • ‘Micro-pustules, both in grooves and on plications, are the most common type of micro-ornament.’
    • ‘The shell possesses a sulcus on the ventral valve and a corresponding fold on the dorsal valve and several weak plications on flanks.’
    • ‘Many of these forms had high cardinal areas and coarse plications, although others were much more like conventional spiriferids.’
    • ‘Strong radiating ribs are common in this group, and there are generally very strong plications or accordion like folds on the sulcus (the long middle section) of the shell.’
    • ‘Cyrtospirifer ‘sinensis’ differs from C. placitus by its flat ventral interarea and smaller number of sinal plications.’
    • ‘Some shells develop up to two lateral sinal plications, but in most lateral sinal plications are lacking.’
    • ‘Some species of Tongzithyris have one to two pairs of plications.’
    • ‘A small minority of the Atrypacea have smooth shells, others being rather finely costate or having medium to coarse plications.’
    • ‘The ability to perform this procedure without thoracotomy minimized his hospital stay and recovery time while not compromising the integrity of the plication.’
    fold, tuck, crease, gather, pucker, crimp
    View synonyms
    1. 1.1mass noun The manner of folding or condition of being folded.
      • ‘Our patients who did not undergo bilateral plication showed a similar pattern.’
      • ‘Surgical therapy in the form of diaphragmatic plication is often reluctantly considered because of the potential morbidity and disability associated with thoracotomy.’
      • ‘A technique has been described for arthroscopic plication of the rotator interval, but this was not used in our series of patients.’
      • ‘Recently, we have begun to perform arthroscopic capsular plication in patients with significant capsule redundancy and laxity.’
      • ‘With bilateral paralysis, bilateral plication improves the efficiency of the rib cage muscles in generating tidal volume.’
      • ‘They are especially characteristic of many temperate trees where plication occurs between secondary veins before formation of tertiary veins in the bud.’


Late Middle English: via Old French from medieval Latin plicatio(n-), from Latin plicare ‘to fold’.