ckeditor_menu in core/modules/ckeditor/ckeditor.module
Implements hook_menu().
color_menu in core/modules/color/color.module
Implements hook_menu().
file_menu in core/modules/file/file.module
Implements hook_menu().
form_test_menu in core/modules/simpletest/tests/form_test.module
Implements hook_menu().
menu_menu in core/modules/menu/menu.module
Implements hook_menu().
system_menu in core/modules/system/system.module
Implements hook_menu().
taxonomy_menu in core/modules/taxonomy/taxonomy.module
Implements hook_menu().
user_menu in core/modules/user/user.module
Implements hook_menu().
views_ui_menu in core/modules/views_ui/views_ui.module
Implements hook_menu().