The term 'dug in' can be described by two crossword solutions: ATE (3 letters) and ENTRENCHED (10 letters). 'ATE' is a verb meaning to consume food, while 'ENTRENCHED' means to be firmly established or fixed in a certain position. In this context, 'dug in' refers to the act of digging a hole or trench in order to create a defensive position. This term is often used in military contexts, where soldiers dig in to protect themselves from enemy fire.