Index: wp-includes/class-wp-xmlrpc-server.php
===================================================================
--- wp-includes/class-wp-xmlrpc-server.php	(revision 19632)
+++ wp-includes/class-wp-xmlrpc-server.php	(working copy)
@@ -64,6 +64,7 @@
 			'wp.getMediaItem'		=> 'this:wp_getMediaItem',
 			'wp.getMediaLibrary'	=> 'this:wp_getMediaLibrary',
 			'wp.getPostFormats'     => 'this:wp_getPostFormats',
+			'wp.getTerm'			=> 'this:wp_getTerm',
 
 			// Blogger API
 			'blogger.getUsersBlogs' => 'this:blogger_getUsersBlogs',
@@ -1702,6 +1703,72 @@
 		return $formats;
 	}
 
+	/**
+	 * Prepares term data for return in an XML-RPC object
+	 *
+	 * @param array $term The unprepared term data
+	 * @return array The prepared term data
+	 */
+	function prepare_term( $term ) {
+		$_term = (array) $term;
+
+		return apply_filters( 'xmlrpc_prepare_term', $_term, $term );
+	}
+
+	/**
+	 * Retrieve a term
+	 *
+	 * @uses get_term()
+	 * @param array $args Method parameters. Contains:
+	 *  - int     $blog_id
+	 *  - string  $username
+	 *  - string  $password
+	 *  - string  $taxonomy_name
+	 *  - int     $term_id
+	 * @return array contains:
+	 *  - 'term_id'
+	 *  - 'name'
+	 *  - 'slug'
+	 *  - 'term_group'
+	 *  - 'term_taxonomy_id'
+	 *  - 'taxonomy'
+	 *  - 'description'
+	 *  - 'parent'
+	 *  - 'count'
+	 */
+	function wp_getTerm( $args ) {
+		$this->escape( $args );
+
+		$blog_id            = (int) $args[0];
+		$username           = $args[1];
+		$password           = $args[2];
+		$taxonomy_name      = $args[3];
+		$term_id            = (int)$args[4];
+
+		if ( ! $user = $this->login( $username, $password ) )
+			return $this->error;
+
+		do_action( 'xmlrpc_call', 'wp.getTerm' );
+
+		if ( ! taxonomy_exists( $taxonomy_name ) )
+			return new IXR_Error( 403, __( 'Invalid taxonomy name.' ) );
+
+		$taxonomy = get_taxonomy( $taxonomy_name );
+
+		if( ! current_user_can( $taxonomy->cap->assign_terms ) )
+			return new IXR_Error( 401, __( 'You are not allowed to assign terms in this taxonomy.' ) );
+
+		$term = get_term( $term_id , $taxonomy_name );
+
+		if ( is_wp_error( $term ) )
+			return new IXR_Error( 500, $term->get_error_message() );
+
+		if ( ! $term )
+			return new IXR_Error( 404, __( 'Invalid term ID.' ) );
+
+		return $this->prepare_term( $term );
+	}
+
 	/* Blogger API functions.
 	 * specs on http://plant.blogger.com/api and http://groups.yahoo.com/group/bloggerDev/
 	 */