RemixIconEx.Editor.merge_cells_horizontal

You're seeing just the function merge_cells_horizontal, go back to RemixIconEx.Editor module for more information.
Link to this function

merge_cells_horizontal(icon_css_class \\ "icon")

iex> Elixir.RemixIconEx.Editor.merge_cells_horizontal()
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" class="icon">
  <path d="M20 3c.552 0 1 .448 1 1v16c0 .552-.448 1-1 1H4c-.552 0-1-.448-1-1V4c0-.552.448-1 1-1h16zm-9 2H5v5.999h2V9l3 3-3 3v-2H5v6h6v-2h2v2h6v-6h-2v2l-3-3 3-3v1.999h2V5h-6v2h-2V5zm2 8v2h-2v-2h2zm0-4v2h-2V9h2z" />
</svg>

example usage

svg.icon {
  width: 96;
  height: 96;
}