The phrase "lay hold of" expresses the act of grasping or seizing something. Synonyms for this phrase include "grab," "grasp," "seize," and "catch." Other similar phrases include "take hold of," "clasp," "hold onto," and "get a grip on." Depending on the context, these synonyms can evoke different connotations and shades of meaning. For example, "grab" might convey a sudden or forceful action, while "clasp" might suggest a gentler touch. Regardless of which synonym is used, the overall meaning of the phrase remains the same: to physically hold onto something.