The term 'grab (onto)' can be solved by four different crossword solutions: GRASP (5 letters), GLOM (4 letters), GRIP (4 letters), and SNAG (4 letters). All of these words refer to the action of taking hold of something, either with one's hands or with a tool. GRASP is the most general term, referring to any kind of taking hold. GLOM is a slang term for grabbing something quickly. GRIP is a more forceful way of holding onto something, usually with one's hands. Finally, SNAG is a term used for catching something with a hook or other tool.