The Dictionary widget in Dashboard is a fast, convenient way to search for words whenever you need to.
Click the Dashboard icon in the Dock or press the F12 key to open Dashboard.
Click the Open (+) button in the lower-left corner of the Dashboard to reveal the widget bar, and then click the Dictionary widget icon.
Type a letter or word in the search field and press Return. The closest matching entry in the current source is displayed.
Click the Back and Forward buttons to see previously viewed words.
Use the pop-up menu to change the reference source, such as Dictionary or Thesaurus.
Click the letter at the left side of the widget to display a list of common phrases that use the letter or word. For example, if you searched for “happy,” the list might include “happy camper” and “happy as a clam.”