The smoldering or glowing remains of a fire, smoldering ash.

An act of embellishing. / An added touch; an ornamental addition; a flourish.

To cause to be bitter.

Subject to or troubled by battles, controversy, or debates. / Prepared or armed for battle. / Of a wall, fortress, etc., having battlements or crenellations.

simple past tense and past participle of embattle

Of or pertaining to emancipation or to an emancipator.

A person who emancipates.

(idiomatic) An abundance or overabundance of something; too much of a good thing.

(Australia) A semipermanent encampment set up as the focal point of a protest, particularly with regard to the rights of indigenous people.

(computing) A computer system with a dedicated function within a larger mechanical or electrical system, often with real-time computing constraints.