antefix
noun
an·te·fix ˈan-ti-ˌfiks 
plural antefixae ˈan-ti-ˌfik-ˌsē or antefixes ˈan-ti-ˌfik-səz
or antefixes ˈan-ti-ˌfik-səz : an ornament at the eaves of a classical building concealing the ends of the joint tiles of the roof
Example Sentences
Recent Examples on the Web The blueprints showed that these rooftop decorations, known as antefixes, were in fact baseballs, ornaments that echoed the baseball-adorned terra-cotta spandrels above the pilasters. 
John Freeman Gill, New York Times, 27 Mar. 2020
John Freeman Gill, New York Times, 27 Mar. 2020 Word History
Etymology
Latin antefixum, from neuter of antefixus, past participle of antefigere to fasten before, from ante- + figere to fasten — more at fix
First Known Use
1819, in the meaning defined above