A supporting member is an integral part of a structure, providing stability and strength. The crossword solutions for the term SUPPORTING MEMBER are TRESTLE (7 letters), LEG (3 letters), STAY (4 letters), and IBAR (4 letters). A TRESTLE is a frame consisting of two or more legs used to support a horizontal beam, while a LEG is a single support of a structure. A STAY is a rope, cable, or rod that provides support and stability, and an ibar is a metal bar used to provide additional support to a structure. Together, these components form a strong and stable structure, making the supporting member an essential part of the whole.