The term 'seize and hold' can be summarized by the crossword solution 'enclasp, ' which is a seven-letter word meaning to grasp or clasp tightly. This term is often used in a legal context, referring to the act of taking possession of something, such as property or assets, through legal authority. It is also used in a military context, referring to the act of capturing and holding an area or territory. In both cases, the act of seizing and holding is done with the intention of maintaining control over the object or area.