noun, masculine/w̝iˈsat͡ʃe/plural: huisaches
the needle bush or sweet acacia (Vachellia farnesiana), a thorny tree of the genus Vachellia, native to Mexico and Central America; Any of various trees of the genus Havardia.
Borrowed from Classical Nahuatl huixachin (literally “many thorns”), from huitztli (“thorn”) + ixachi (“a lot, great in quantity”).