Meaning of GEODESIC in English

ge ‧ o ‧ des ‧ ic /ˌdʒiːəʊˈdesɪk◂, -ˈdiː- $ ˌdʒiːoʊ-/ BrE AmE adjective [only before noun]

having a shape or structure made from small flat pieces, usually ↑ triangle s or ↑ pentagon s , that are put together to form curves:

a geodesic dome

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