barrier

n. १ (as, any obstruction) अवरोध (पु.) २ रोधिका (स्त्री.) ३ (as, a material object or set of objects that separates, keeps apart or demarcates or serves as a barrier) प्राचीर (न.) (as in : potential barrier विभव प्राचीर ) ( प्राचीर an enclosure, fence or wall)