Meanings
Synonyms & antonyms
nounA kind of specialized cell located in the lower leaf epidermis of plants. Pairs of guard cells surround tiny stomatal airway pores and regulate their opening and closing.
Cite this entry
guard cell. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/guard%20cell
“guard cell.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/guard%20cell. Accessed November 3, 2026.
WatkinsX Dictionary, s.v. “guard cell,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/guard%20cell.
Source: guard cell on Wiktionary, CC BY-SA 4.0.