Noun
fld (plural flds)
Abbreviation of field.
(pathology) Abbreviation of farmer's lung disease.
(pathology) Abbreviation of fatty liver disease.
(pathology) Abbreviation of Fazio-Londe disease.
Source: en.wiktionary.orgThe lens features a new optical design that uses two elements made of the company's recently developed 'FLD' glass plus three SLD glass elements to reduce aberrations, a 9-blade circular aperture, and features full-time manual focus override. Source: Internet
Therefore, except for the FLD from 2012 to the present, all Dyna models have designations that begin with FXD, e.g., FXDWG (Dyna Wide Glide) and FXDL (Dyna Low Rider). Source: Internet