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 section 1059d of title 20; and Predominantly Black Institutions, Asian American and Native American Pacific Islander-Serving Institutions, and Native American-Serving Nontribal Institutions as defined in section 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.