[n] the act of accompanying someone or something in order to protect them
[n] a subordinate musical part; provides background for more important parts
[n] an event or situation that happens at the same time as or in connection with another
associate, background, convoy, descant, discant, happening, natural event, occurrence, part, protection, vamp, voice
\Ac*com"pa*ni*ment\ (-ment), n. [F. accompagnement.] That which accompanies; something that attends as a circumstance, or which is added to give greater completeness to the principal thing, or by way of ornament, or for the sake of symmetry. Specifically: (Mus.) A part performed by instruments, accompanying another part or parts performed by voices; the subordinate part, or parts, accompanying the voice or a principal instrument; also, the harmony of a figured bass. --P. Cyc.