CATCHALL ABBR. is an acronym used to refer to a group of abbreviations that are commonly used to indicate a variety of things. The four abbreviations included in this acronym are MISC (4 letters), ETC (3 letters), ETAL (4 letters), and ETSEQ (5 letters). MISC stands for Miscellaneous, and is used to refer to a collection of items that do not fit into any other category. ETC stands for Et Cetera, and is used to indicate that there are more items than those listed. ETAL stands for Et Alii, and is used to indicate that there are multiple people involved in something. Finally, ETSEQ stands for Et Sequentes, and is used to indicate that there are multiple items or events that follow the one previously mentioned.