girt UK /ɡɜːt/US /ɡɝt/verb 4adjective 2noun 1forms 5 verb4 •To gird. •To bind horizontally, as with a belt or girdle. •To measure the girth of. •to capsize because of forces in the cable attaching it to another vessel. adjective2 •(Australia) (Of a country) To by surrounded by sea.Americans being so mad about Australia being better in the olympic swimming is soooooo good like you guys aren't even girt how can you think for a second you make for good competition? — 2024 •Bound by a cable; used of a vessel so moored by two anchors that she swings against one of the cables by force of the current or tide. noun1 •A horizontal structural member of post and beam architecture, typically attached to bridge two or more vertical members such as corner posts. formsgirted · girting · girts · more girt · most girt