Noun

(taxonomies)

The science or the technique used to make a classification.

A classification; especially , a classification in a hierarchical system.

(taxonomy, uncountable) The science of finding, describing, classifying and naming organisms.

Noun

(-)

(rail transport) train equipment, usually mounted on bogies, used to transfer electric current from the third rail.

* {{quote-book

, year=1995 , year_published= , author=Colin J. Kirkland , title=Engineering the Channel Tunnel , chapter=Locomotives , volume= , volume_plain= , section= citation , isbn=9780419179207 , page=190 , passage=In the third case, the need to provide retractable shoegear on the power bogies to pick up current from teh third rail, and teh equipment to use low-voltage supply, has complicated the design of the Eurostar trains.}}

* {{quote-book

, year=2003 , year_published=2004 , author=P. Hinde and J. Thompson , title=International Conference on New Trains: 4-5 June 2003 at Le Meridien, York, UK , chapter=Commissioning , volume=2003 IMechE conference transactions , volume_plain= , section=The train operator's view of new train introduction citation , isbn=9781860584336 , page=51 , passage=Here shoegear and stepboards are refitted prior to a commissioning run conducted by the manufacturer which includes high speed and emergency brake tests.}}

* {{quote-book

, year=2006 , year_published= , author=Great Britain: Parliament: House of Commons: Environmental Audit Committee , quotee=DJ Hartland , title=Reducing carbon emissions from transport: Oral and written evidence , chapter= , volume= , volume_plain= , section=London Underground Power Supplies. Electric Current Flow in Conductor Rails. Savings in Energy with Low Loss Rail citation , isbn=9780215030429 , page=286 , passage=The trains run on two addtional rails and pick up current by means of shoegear making sliding contact with the conductor rails.}}