<p>These definitions are taken from Encarta Encyclopedia's dictionary.</p>
<p>
[quote]
wreck·er <a href="%5BI%5Dplural%5B/I%5D%20%5BB%5Dwreck%C2%B7ers%5B/B%5D">rékər</a>
*noun *</p>
<p>1. automotive truck for towing: a truck with a hoisting mechanism used to tow away damaged cars or other vehicles </p>
<ol>
<li><p>somebody demolishing buildings or dismantling cars: somebody whose job is to demolish buildings or dismantle old cars for salvage </p></li>
<li><p>destroyer or spoiler: somebody who destroys or spoils something, especially deliberately, maliciously, or with pleasure </p></li>
<li><p>somebody luring ships to destruction: in former times, somebody who lured ships onto rocks in order to steal the cargo or other goods on board
[/quote]
</p></li>
</ol>
<p>
[quote]
*e·ra *<a href="%5BI%5Dplural%5B/I%5D%20%5BB%5De%C2%B7ras%5B/B%5D">rə, érrə</a>
*noun *</p>
<p>1. time distinctive period of history: a period of time made distinctive by a significant development, feature, event, or personality
during the postwar era</p>
<ol>
<li><p>time period with its own chronological system: a time period within which years are consecutively numbered from a particular significant event that provides its starting point
the Christian era</p></li>
<li><p>time date that begins period: a significant date or event that is regarded as the beginning of a new period of time
The agreement marked an era in U.S.-Soviet relations.</p></li>
<li><p>geology division of Earth's history: a division of geologic time comprising several periods
the Precambrian era</p></li>
</ol>
<p>ep·och <a href="%5BI%5Dplural%5B/I%5D%20%5BB%5Dep%C2%B7ochs%5B/B%5D">éppək, pòk</a>
*noun *</p>
<p>1. significant period: a significant period in history or in somebody's life </p>
<ol>
<li><p>start of historically significant period: the beginning of a long period of history considered particularly significant
The invention of the telephone marked an epoch in the development of international communication.</p></li>
<li><p>geology unit of geologic time: a unit of geologic time that is a division of a period and is characterized by rock formation
the Holocene and Pleistocene epochs of the Quaternary period</p></li>
<li><p>astronomy moment in time as reference point: a precise moment in time arbitrarily chosen as a reference point for defining the position of astronomical objects
[/quote]
</p></li>
</ol>
<p>
[quote]
*av·e·nue *<a href="%5BI%5Dplural%5B/I%5D%20%5BB%5Dav%C2%B7e%C2%B7nues%5B/B%5D">ávvə n</a>
*noun *</p>
<p>1. wide street: a wide street or road in a town </p>
<ol>
<li> means of approach: a course of action to be taken in order to approach, attain, or gain access to somebody or something
need to explore all avenues
[/quote]
</li>
</ol>
<p>I'm too lazy to look up the rest.</p>