In this part:

((1)) ** Director** The term “Director” means the Director of the National Science Foundation.

((2)) ** HBCU** The term “HBCU” has the meaning given the term “part B institution” in .section 1061 of title 20

((3)) ** Minority serving institution** The term “minority serving institution” or “MSI” means Hispanic-Serving Institutions as defined in section 1101a) of title 20; Alaska Native Serving Institutions and Native Hawaiian-Serving Institutions as defined in ; and Predominantly Black Institutions, Asian American and Native American Pacific Islander-Serving Institutions, and Native American-Serving Nontribal Institutions as defined in .section 1059d of title 20section 1067q of title 20

((4)) ** TCU** The term “TCU” has the meaning given the term “Tribal College or University” in .section 1059c of title 20