lit·u·i·tes \ˌ ̷ ̷ ̷ ̷ˈwīd.ˌēz\noun Usage: capitalized Etymology: New Latin, from Latin lituus + New Latin -ites : a genus of Ordovician nautiloid mollusks with the shell fully coiled when young but with the later increments forming a straight tube • lit·u·i·toid\ˈ ̷ ̷ ̷ ̷wəˌtȯid\adjective