Water pore : A pore by which the water tubes of various invertebrates open externally.

Water pore : One of certain minute pores in the leaves of some plants. They are without true guardian cells, but in other respects closely resemble ordinary stomata.

Example:


Taxonomy
Pore Water, R0, SESD, Operating Procedure, Water Sampling, sampling, flange, sediment, Effective Date, tubing, peristaltic pump, surface water, sampler, sample collection, syringe, platform, procedures, container.

Defination from the web:
pore water sampling methods. to be used by field personnel when collecting and handling samples in the field. ... Pore water samples for VOC analysis must be collected in 40 ml glass vials with Teflon® septa. ...