hydraulic
hy.drau.lic \hi--'dro.-lik\ \-li-k(*-)le-\ aj [L hydraulicus, fr. Gk
hydraulikos, fr. hydraulis hydraulic o]rgan, fr. hydr- + aulos reed
instrument - more at ALVEOLUS 1: operated, moved, or effected by means of
water 2a: of or relating to hydraulics {~ engineer} 2b: of or relating to
water or other liquid in motion {~ erosion> 3: operated by the resistance
offered or the pressure when a quantity of w ater, oil, or other liquid is
forced through a comparatively small orifice or through a tube 4: hardening
or setting under water {~ cement} - hy.drau.li.cal.ly av