[merriam-webster.com][MERRIAM WEBSTER DICTIONARY ALL AVAILABLE STYLES]

Dictionary
Thesaurus

Dictionary Thesaurus

Dictionary Thesaurus

Dictionary
Thesaurus

Merriam-Webster Online

Dictionary Thesaurus

Merriam-Webster Online

Dictionary Thesaurus

Dictionary Thesaurus Spanish Medical

Source: Get the code for other 8 styles
merriam-webster.com/downloads/general/choose_style.htm

[COPY THE CODE TO YOUR BLOG, SITE TO HAVE MERRIAM DICTIONARY ON YOUR SITE]

<!-- Merriam-Webster Searchbox Style 9 -->
<script language="Javascript">
function getValue(term){if(document.query.elements[0].checked == true){document.location.href = "http://www.merriam-webster.com/dictionary/" + term;}
else if(document.query.elements[1].checked == true){document.location.href = "http://www.merriam-webster.com/thesaurus/" + term;}}
</script>
<form name="query" method="get" action="javascript:getValue(document.query.va.value)">
<div style="margin:0;padding:0;border:solid 1px #000000;width:502px;">
<div style="margin:0;padding:0;background-color:#dfe6ff;">
<table cellpadding="0" cellspacing="0" style="margin:0;padding:0;font-family:Geneva,Arial,Helvetica,sans-serif;font-size:11px;font-weight:bold;color:#010066;">
<tr>
<td style="margin:0;padding:0;" width="150">
<img src="http://www.merriam-webster.com/images/searchbox/hdr_500x32.gif" width="149" height="32" hspace="0" vspace="0" align="left" />
</td>
<td width="175" align="center" valign="middle" style="margin:0;padding:3px;vertical-align:middle;">
<input type="radio" name="mySelect" value="Dictionary" checked> Dictionary
<input type="radio" name="mySelect" value="Thesaurus"> Thesaurus
</td>
<td width="175" valign="middle" style="margin:0;padding:3px;vertical-align:middle;">
<input type="text" align="top" name="va" size="20">
<input type="image" src="http://www.merriam-webster.com/images/searchbox/btn_go_19x18_blue_matte.gif" alt="Go" width="19" height="18" border="0" style="vertical-align:-25%;">
</td>
</tr>
</table>
</div>
</div>
</form>