A call of the roll to establish whether a [[quorum]] is present. If any [[Senator]] "suggests the absence of a quorum," the [[Presiding Officer]] must direct the roll to be called. Often, a quorum call is terminated by [[unanimous consent]] before completion, which permits the [[Senate]] to use the quorum call to obtain a brief delay to work out some difficulty or await a Senator's arrival.<ref>[http://www.senate.gov/reference/glossary_term/appropriation.htm] US Senate Reference</ref>
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A '''quorum call''' is call of the roll to establish whether a [[quorum]] is present. If any [[Senator]] "suggests the absence of a quorum," the [[Presiding Officer]] must direct the roll to be called. Often, a quorum call is terminated by [[unanimous consent]] before completion, which permits the [[Senate]] to use the quorum call to obtain a brief delay to work out some difficulty or await a Senator's arrival.<ref>[https://www.senate.gov/reference/glossary_term/appropriation.htm US Senate Reference]</ref>