The term 'TYPE OF BOND' can be defined as a connection between two or more parties that is legally binding. The four crossword solutions for this term are GLUE (4 letters), MUNI (4 letters), SURETY (6 letters), and IONIC (5 letters). GLUE is a type of bond that is created by adhesives, such as GLUE, tape, or other sticky substances. MUNI is a type of bond issued by a municipality, such as a city or county, to finance public projects. SURETY is a type of bond that guarantees the performance of a party in a contract. Lastly, IONIC is a type of bond that is formed when two atoms share electrons.