BT BB 24a(31) :דלמגנב מיניה ואצנועי בגויה לא מצנעי‏ : as to stealing from it [i.e. wine from a vineyard] and (then) hiding (it) within it [i.e. the same vineyard] – they would not do so lit. hide]
See the entire entry for ṣnˁ vb. D to act guilefully; C to put aside