TAGALOG Meaning of TAGALOG in English [Ta.ga.log] n, pl Tagalog or Tagalogs [Tag] (ca. 1808) 1: a membe r of a people of central Luzon 2: an Austronesian language of the Tagalog people--compare pilipino Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012