1. (Zool.) A pore by which the water tubes of various invertebrates open externally. [ 1913 Webster ]
2. (Bot.) 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. Goodale. [ 1913 Webster ]
1. (Zool.) A pore by which the water tubes of various invertebrates open externally. [ 1913 Webster ]
2. (Bot.) 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. Goodale. [ 1913 Webster ]