ˈhīdəˌthōd noun
( -s )
Etymology: International Scientific Vocabulary hydat- + -hode (from Greek hodos way, road); probably originally formed in German — more at cede
: an epidermal structure in higher plants functioning in the exudation of water ; specifically : an opening in the epidermis resembling a stoma below which is a chamber usually filled or bordered by thin-walled loosely arranged cells — called also water pore, water stoma ; see guttation , water gland