spherical wedge
... that a spherical wedge is a portion of a ball bounded by two plane semidisks and a spherical lune?
... that a <b id="mwDlA"><a href="./Spherical_wedge" id="mwDlE" rel="mw:WikiLink" title="Spherical wedge">spherical wedge</a></b> <i id="mwDlI">(pictured)</i> is a portion of a <a href="./Ball_(mathematics)" id="mwDlM" rel="mw:WikiLink" title="Ball (mathematics)">ball</a> bounded by two plane <a class="mw-redirect" href="./Semidisk" id="mwDlQ" rel="mw:WikiLink" title="Semidisk">semidisks</a> and a spherical <a class="mw-redirect" href="./Lune_(mathematics)" id="mwDlU" rel="mw:WikiLink" title="Lune (mathematics)">lune</a>?