Meaning of LATERAL in English

lat ‧ e ‧ ral /ˈlæt ə rəl/ BrE AmE adjective formal

[ Date: 1400-1500 ; Language: Latin ; Origin: lateralis , from latus 'side' ]

1 . relating to the sides of something, or movement to the side:

The wall is weak and requires lateral support.

2 . relating to positions, jobs, relationships etc that are at the same level or rank:

Employees can expect lateral moves to different departments, to gain experience.

—laterally adverb

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.