Crystallography, lattice (def 4).
(crystallog) any of 14 possible space lattices found in crystals
Also, put up a brave front. Face adversity cheerfully. For example, Even though she had been passed over for promotion, she put on a brave face. Try to appear brave even though very frightened. For example, Harry was terrified of animals, but his boss was a dog lover, so he put up a brave front. […]
Face danger or a difficult situation with courage. For example, They had far fewer votes than the opposition, but they decided to brave it out. [ Late 1500s ] Also, brazen it out. Boast or swagger, act with impudent bravado. For example, They hadn’t been invited but decided to stay and brazen it out. [ […]
a new period in history resulting from major changes in society, especially technological; a future world or society experiencing positive and negative effects from major changes. a novel (1932) by Aldous Huxley.
Go out in stormy weather, as in We’ve just about run out of food; I’ll brave the elements and walk to the store. The use of elements for atmospheric agencies dates from the early 16th century but is rare today except in this expression, which is often used hyperbolically.