a. [ An aphetic form of OE. & OF. apert open, known, true, free, or impudent. See Apert. ] 1. Open; evident; apert. [ Obs. ] Piers Plowman. [ 1913 Webster ]

2. Lively; brisk; sprightly; smart. [ Obs. ] Shak. [ 1913 Webster ]

3. Indecorously free, or presuming; saucy; bold; impertinent. “A very pert manner.” Addison. [ 1913 Webster ]

The squirrel, flippant, pert, and full of play. Cowper. [ 1913 Webster ]

v. i. To behave with pertness. [ Obs. ] Gauden. [ 1913 Webster ]

v. i. [ imp. & p. p. Pertained p. pr. & vb. n. Pertaining. ] [ OE. partenen, OF. partenir, fr. L. pertinere to stretch out, reach, pertain; per + tenere to hold, keep. See Per-, and Tenable, and cf. Appertain, Pertinent. ] 1. To belong; to have connection with, or dependence on, something, as an appurtenance, attribute, etc.; to appertain; as, saltness pertains to the ocean; flowers pertain to plant life. [ 1913 Webster ]

Men hate those who affect that honor by ambition which pertaineth not to them. Hayward. [ 1913 Webster ]

2. To have relation or reference to something. [ 1913 Webster ]

These words pertain unto us at this time as they pertained to them at their time. Latimer. [ 1913 Webster ]

n. [ L. perterebratus, p. p. of perterebrare to bore through. ] The act of boring through. [ Obs. ] Ainsworth. [ 1913 Webster ]

n. (Chem.) Same as Persulphocyanogen. [ 1913 Webster ]

n. [ So called from Perth, in canada. ] (Min.) A kind of feldspar consisting of a laminated intertexture of albite and orthoclase, usually of different colors. -- Per*thit"ic a. [1913 Webster]

a. [ L. pertinax, -acis; per + tenax tenacious. See Per-, and Tenacious. ] 1. Holding or adhering to any opinion, purpose, or design, with obstinacy; perversely persistent; obstinate; as, pertinacious plotters; a pertinacious beggar. [ 1913 Webster ]

2. Resolute; persevering; constant; steady. [ 1913 Webster ]

Diligence is a steady, constant, and pertinacious study. South. [ 1913 Webster ]

Syn. -- Obstinate; stubborn; inflexible; unyielding; resolute; determined; firm; constant; steady. [ 1913 Webster ]

-- Per`ti*na"cious*ly, adv. -- Per`ti*na"cious*ness, n. [ 1913 Webster ]

n. [ Cf. F. pertinacité. ] The quality or state of being pertinacious; obstinacy; perseverance; persistency. Macaulay. [ 1913 Webster ]

Syn. -- See Obstinacy. [ 1913 Webster ]

n. [ L. pertinere to pertain. See Pertinence. ] The quality or state of being pertinent; pertinence. [ Obs. ] [ 1913 Webster ]

n. [ L. pertinacia, fr. pertinax. See Pertinacious. ] Pertinacity. [ Obs. ] Chaucer. [ 1913 Webster ]