[un.der.tow] n (1817) 1: the current beneath the surface that sets seaward or along the beach when waves are breaking upon the shore
2: an underlying current, force, or tendency that is in opposition to what is apparent
[un.der.tow] n (1817) 1: the current beneath the surface that sets seaward or along the beach when waves are breaking upon the shore
2: an underlying current, force, or tendency that is in opposition to what is apparent
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012