American Heritage Dictionary
(2)
Century Dictionary
(2)
GNU Webster's 1913
(2)
WordNet
(2)
Elsewhere on the web
Do you know how to subscript or superscript for twitter?— TheNextWeb.com
Patrick: we don't want to do subscripting that much anyway if I assign Whatever to a scalar and use that within a subscript, does it work as a term? played with having the parser detect a Whatever it set a flag saying "You have to thunk this." that doesn't help if it's buried— Planet Perl
One step sets a global field from the scriptname; the other runs a universal subscript which sends the command to iRed.— MacUpdate - Mac OS X
The previous example could have been written using the MB_MESSAGE subscript (Listing 24).— LXer Linux News

American Heritage Dictionary (1)
Century Dictionary (1)
Bubble size: how much this word was used in a year
Bubble height: used more or less than expected, vs. all uses evenly distributed
You can expect to see this word about once a year.