PROTEND Meaning of PROTEND in English [pro.tend] vb [ME, fr. L protendere, fr. pro- + tendere to stretch--more at thin] vt (15c) 1 archaic: to stretch forth 2. archaic: extend ~ vi, archaic: stick out, protrude Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012