Dash

<svg width="1em" height="1em" viewBox="0 0 16 16" class="bi bi-dash" fill="currentColor" xmlns="http://www.w3.org/2000/svg">
  <path fill-rule="evenodd" d="M3.5 8a.5.5 0 0 1 .5-.5h8a.5.5 0 0 1 0 1H4a.5.5 0 0 1-.5-.5z"/>
</svg>