The term 'secured with a knot' can be described by the four-letter word 'TIED'. This term is used to describe the act of fastening something together with a knot, such as tying a rope or string around an object. Knots are often used to secure items in place, and can be used to create a variety of different shapes and patterns. Knots are also used in many different types of crafts, such as macrame and knitting.