\documentclass{book}

\input TeX4ht.sty \Preamble{html}
\begin{document}  \EndPreamble


\ConfigureListOf {description}
                            {}
                {\HCode{<HR>}}
        {\HCode{<HR><STRONG>}}
           {\HCode{</STRONG>}}

\begin{description}

\item[Psalms (131:1)]

\item[My heart] is not
   haughty, nor mine eyes lofty:

\item[neither do] I exercise
   myself in great matters, or
   in things too high for me.

\end{description}

\end{document}