What is "weeping rock"

Weeping \Weep"ing\, a.

1. Grieving; lamenting; shedding tears. ``Weeping eyes.''
   --I. Watts.

2. Discharging water, or other liquid, in drops or very slowly; surcharged with water. ``Weeping grounds.''
   --Mortimer.

3. Having slender, pendent branches; -- said of trees; as, weeping willow; a weeping ash.

4. Pertaining to lamentation, or those who weep.

   Weeping cross, a cross erected on or by the highway, especially for the devotions of penitents; hence, to return by the weeping cross, to return from some undertaking in humiliation or penitence.

   Weeping rock, a porous rock from which water gradually issues.

   Weeping sinew, a ganglion. See Ganglion, n., 2. [Colloq.]

   Weeping spring, a spring that discharges water slowly.