http://www.comenius.com/idioms/index.tpl

***IDIOMS, pick an idiom and get definition

Middle, High School

http://www.elfs.com/ELFsX.html

***Various LANGUAGE activities, idioms, parts of speech, etc.

Middle, High School

http://home.t-online.de/home/toni.goeller/idiom_wm/

***IDIOMS pick an idiom, definition, example

Middle, High School

http://www.edict.com.hk/vlc/idioms/games/default.htm

***IDIOMS games

Middle, High School

http://uk.cambridge.org/elt/reference/house.htm

***IDIOMS with pictures, sentences, self correcting quizzes

Middle, High School

http://www.edict.com.hk/vlc/default.htm

Several LANGUAGE activities, net dictionary, pronunciation guide

Middle, High School/Professional site

http://www.eslcafe.com/idioms/

***IDIOMS list and definitions

Middle-High School