Ensiform is an adjective that describes something shaped like a sword. It is mostly used in biological contexts and refers to structures that are pointed and flat. Some synonyms for ensiform include sword-like, sword-shaped, sabre-shaped, and gladiate. These words are often used interchangeably with ensiform and can be used to describe anything with a similar shape, such as leaves, emblems, or structures in the human body. Ensiform is derived from the Latin word ensis, which means sword, and form, which means shape or form. So, ensiform essentially means sword-shaped.