What is the meaning of Calcar?

A small oven or furnace, used for the calcination of sand and potash, and converting them into frit.

A spur-like projection.

to press, push

to hit, strike

to trace, to copy (copy by means of carbon paper or tracing paper)

  1. to copy, to plagiarise

    to copy, to plagiarise

    to trample underfoot

    to press

    to trample

    spur (equestrian, or of a cock)

    incitement, stimulus

    to trample, to crush

    to press (grapes, etc.)

    to humiliate, to subjugate

    (Can we verify this sense?) to base a work on (a previous one)

    (Can we verify this sense?) to copy a work

    spur

    in arthropods, a mobile process similar to a spike

    in certain insects, the strongest spur located in the tibia

    limestone

    to trace, copy (copy by means of carbon paper or tracing paper)

    to trample

    calcar (a spur-like projection)

    Source: wiktionary.org