FARR WebMetaSearch Onelook Dictionary search uses OneLook.com to display definitions, and/or name information, of the entered word.
By default, the "?" wildcard matches any single character, including spaces and punctuation. Using crossword puzzle SubSearch limits the match to "letters only"; also every pattern search is assumed to allow optional spaces between letters. This allows you to find phrases that are run together (as they would appear in a crossword puzzle) without having to worry about where the spaces would go. For example, searching for "h?ttot?ot" will find "hot to trot" in this mode, and "a?ric??li??" will find "African lily".
Specialist dictionary shortcuts are also found in the RMB Context Menu