The word of the day is cavalcade, which refers to a series of related things or a procession of riders or carriages. The word has an older meaning that is still in use, describing a procession of vehicles or ships. A cavalcade can also refer to a series of new things, such as video games, that are showcased together. The word has deep equestrian roots, coming from the Latin word caballus, meaning work horse or gelding. The Latin word caballus is also the root of the Spanish word caballo, meaning horse. In the 17th century, cavalcade specifically referred to a procession of horseback riders or carriages, often as part of a special occasion. Over time, the meaning of cavalcade was extended to include processions of other modes of travel, such as ships or vehicles. The word has also taken on a figurative sense, referring to a series of related things that may not be physically marching or moving together. The word cavalcade has been used in various contexts, including a newspaper article describing a parade with musicians, dancers, and a horse-drawn carriage. The evolution of the word cavalcade reflects its ability to adapt to different meanings and contexts while retaining its core sense of a series or procession of things.