Entry 3 senses · 3 variants Webster, 1913 Shab · IPA /ʃæb/ n. v. t. v. t. 01 n. The itch in animals; also, a scab. 1. The itch in animals; also, a scab.[Obs. or Prov. Eng.] 02 v. t. To play mean tricks; to act shabbily. imp. & p. p. Shabbed; p. pr. & vb. n. Shabbing 1. To play mean tricks; to act shabbily.[Obs. or Prov. Eng.] 03 v. t. To scratch; to rub. 1. To scratch; to rub.[Obs.]