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Old English oferridan "to ride across," from ofer "over" (see over) + ridan "to ride" (see ride (v.)). Originally literal, of cavalry, etc. Figurative meaning "to set aside arrogantly" is from 1827. The mechanical sense "to suspend automatic operation" is attested from 1946. As a noun in this sense from 1946. Related: Overrode; overriding; overridden.
overriding o·ver·rid·ing (ō'vər-rī'dĭng)
First in priority; more important than all others.
Of or relating to a fracture in which the broken ends of the bone slip past each other and are held in the overlap position by contracted muscles.
Of or relating to a fetal head that is palpable above the pubic symphysis because of the disproportion between the size of the fetal head and the size of the maternal pelvis.