Entry 2 senses Webster, 1913

Ryder

/rīd'-ẽr/ · Ry·der · IPA /ˈɹaɪdə(ɹ)/

01 n. A clause added to a document; a rider. See Rider.

1.
A clause added to a document; a rider. See Rider.[Obs.] See: Rider
2.
A gold coin of Zealand [Netherlands] equal to 14 florins, about $5.60 (ca. 1910).