The term 'TIE SECURELY' can be solved by the crossword solutions of CHAIN (5 letters), LASH (4 letters) and BIND (4 letters). CHAIN is a series of connected metal rings, usually made of steel, used to secure or fasten objects together. LASH is a strip of leather or rope used to tie or BIND things together. BIND is to fasten or secure with a rope, cord, or band. Therefore, the term 'TIE SECURELY' can be interpreted as using a CHAIN, LASH, or BIND to firmly attach two objects together.