Changes

|the realm of imagination that seems impossible but is difficult to disprove, and which challenges ordinary views of reality; also the terminator between night and day on a planetary body

|the realm of imagination that seems impossible but is difficult to disprove, and which challenges ordinary views of reality; also the terminator between night and day on a planetary body

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|whip<ref>In its political usage.</ref>

|Whip<ref>In its political usage.</ref>

|late 1800s

|late 1800s

|An elected position in each political party for the legislator responsible for gathering and confirming support for the party position on particular bills.  This term is derived from "whipper-in," which in fox-hunting refers to the man who prevents hunting dogs from straying amid a chase.<ref>http://blogs.suntimes.com/sweet/2010/11/durbin_re-elected_number_two_s.html</ref>

|An elected position in each political party for the legislator responsible for gathering and confirming support for the party position on particular bills.  This term is derived from "whipper-in," which in fox-hunting refers to the man who prevents hunting dogs from straying amid a chase.<ref>http://blogs.suntimes.com/sweet/2010/11/durbin_re-elected_number_two_s.html</ref>