Webster’s Revised Unabridged Dictionary · 1913
Prim
Prim (prĭm), n. [See Privet.] (Bot) The privet.
Prim, a. [OF. prim, prin, prime, first, principal. sharp, thin, piercing, fr. L. primus first. See Prime, a.] Formal; precise; affectedly neat or nice; as, prim regularity; a prim person. Swift.
Prim, v. t. [imp. & p. p. Primmed; p. pr. & vb. n. Primming.] To deck with great nicety; to arrange with affected preciseness; to prink.
Prim, v. i. To dress or act smartly. [R.]