WordPress at a glance
action is not described

wp_meta action-hook . WP 1.5.0

Fires before displaying echoed content in the sidebar.

Usage

add_action( 'wp_meta', 'action_function_name_9333' );
function action_function_name_9333(){
	// action...
}

Where the hook is called

wp_meta()
wp-includes/general-template.php 571
do_action( 'wp_meta' );

Where the hook is used (in WP core)

Does not used.