<div id="menu_title"><?php echo t('Menu')?></div>
This will replace the post content with the message: "Content has been removed by an Administrator"
You may not request a refund that is not currently owned by you.
You are allowed to delete your post for 5 minutes after it's posted.
Delete
You can add translation file (mo) in the theme and translate "Menu" to whatever you need.
second option is to edit the files in the theme.
in every file find line 7 - 8
and replace that 'Menu' with whatever you need.
files to be edited :
right_sidebar.php, home_alt.php, home.php, full.php, blog.php, default.php