<span class="searchmatch">vigesimoctavas</span> f pl feminine plural of vigesimoctavo...
<span class="searchmatch">vigesimoctava</span> f feminine singular of vigesimoctavo...
vi‧ge‧si‧moc‧ta‧vo vigesimoctavo (feminine <span class="searchmatch">vigesimoctava</span>, masculine plural vigesimoctavos, feminine plural <span class="searchmatch">vigesimoctavas</span>) (ordinal number) twenty-eighth...