Securing hatches is a critical part of ensuring the safety and stability of a vessel. To accomplish this task, there are several synonyms that sailors may use. These include locking, sealing, bolting and latching. Another synonym for securing hatches is clamming, referring to the tight closure of a shell around its contents. Additionally, battening down the hatches is a familiar nautical phrase that signifies preparation for rough weather conditions. Anchoring, fastening, and tucking in are also related phrases that describe the process of securing hatches. Regardless of which synonym is used, the principle remains the same: prevent water from entering the vessel and maintain its stability.