а. густо разрастаться If you don't cut off some of the branches, that tree will bush out sideways. б. обсаживать кустарником The men have gone ahead to bush out a safe way across the frozen lake; they can cut down some of the small trees growing on the shore and lay them on the ice to show us where to go.
BUSH OUT
Англо-русский перевод BUSH OUT
Мюллер. English-Russian Muller's dictionary bed edition. Англо-Русский словарь Мюллера редакция bed. 2012