"Wiis" does not have a single universal meaning, but it is most commonly recognized as the plural form of "Wii," which is a home video game console developed by Nintendo. The Wii console was designed to appeal to a broad audience through innovative gameplay, including motion-sensing controllers, and was released in 2006. The name "Wii" was chosen to sound like "we," emphasizing inclusivity and being for everyone worldwide. The stylized spelling with two lowercase "i"s represents two people standing side by side, symbolizing shared play experiences. Aside from this well-known usage, "Wiis" can also be a term from Alemannic German referring to sequences or sets in card games, as well as a form related to words meaning "wise" in Germanic languages. Additionally, "WII" as an acronym can have various meanings in different contexts, such as Wildlife Institute of India or Wireless Interactive Interface, but these are less commonly intended without further context.

In summary, "Wiis" mostly refers to multiple Nintendo Wii consoles or entities related to the word Wii, but could also have linguistic or acronymic meanings in other specific contexts.