Firefox Tools
Merriam-Webster Search Box Plug-in
Add this option to your Firefox search box and look up words instantly—from anywhere on the web.
Merriam-Webster Right-click Search
Highlight a word on any page, and look up words from your right-click context menu.
Merriam-Webster Sidebar
Open a Merriam-Webster search pane in your sidebar and look up words while you browse.
Merriam-Webster Lookup Button
Highlight a word in a Web page, click the button, and a dictionary entry of the word will appear. Or click the button and type a word into the popup box.
