Crossword clues for 51-Down feature 7 letters:MINIBAR51-Down featureMIDDLECPiano benchmark, and a feature of 16-, 22-, 51- and 61-AcrossVEGHEADPerson who doesn't eat meat, informally, and a feature of 17-, 25-, 51-, and 62-AcrossPLATEFeature of 51 Across.BASEFeature of 51 Across.RUMBLESEATBygone roadster feature [88-Across + 51-Down]THEREVIEWSAREINCritics have spoken, as featured in 17-, 25-, 51- and 64-AcrossLINCOLNHEADCENT1909 centennial debut that originally featured the ends of 17-, 23-, 39-, 51-Across and the initials in the circled squares (explained in Notepad)ECOWARRIORSBased on a common feature of their names, what 17-, 23-, 36- and 51-Across are well-suited to be?