The 'A' of MOMA is an acronym for the Museum of Modern ART, which is a renowned ART museum located in New York City. The crossword solution for this term is ART, which stands for the visual arts, such as painting, sculpture, photography, and architecture. The Museum of Modern ART is home to some of the world's most famous works of ART, including pieces by Pablo Picasso, Vincent van Gogh, and Jackson Pollock.