plural of inner ear

A kind of gate or portcullis, having iron bars, like a harrow, studded with iron spikes, hung above gateways so that it may be quickly lowered to impede the advance of an enemy.

(transitive, obsolete) To search; to rummage.

(pharmacology) The antibiotic 7-fluoro-6-(4-methylpiperazin-1-yl)-10-oxo-4-thia-1-azatricyclo[7.3.1.0^5,13]trideca-5(13),6,8,11-tetraene-11-carboxylic acid.