hypoderma

Century Dictionary and Cyclopedia

1. n. In botany, the layer of colorless cells just beneath the epidermis of a leaf; also extended to the external cortex under the epidermis of a stem: introduced in the first sense by Kraus (1865). It is most commonly collenchyma. Also hypoderm.
2. n. [capitalized] A genus of hypodermic dipterous insects, or botflies, of the family Œstridæ, species of which live under the skin of various ruminant and other hoofed quadrupeds. H. bovis is the bot-fly of the ox. A related species, H. linearis, is known in Texas as the heel-fly, from attacking the heels of cattle.
3. n. [capitalized] A genus of chiropterous mammals, or bats.
4. n. A genus of ascomycetous fungi, type of family Hypodermataceæ, having the ascocarps elongate and opening by a longitudinal slit. The spores are hyaline, spindle-shaped, and 2-celled. About 30 species are known, occurring mostly on dead plants. H. Rubi is frequently found on canes of Rubus in Europe and America. De Candolle, 1805.

Wiktionary

1. n. botany A layer of tissue beneath the epidermis in plants, performing the physiological function of strengthening the epidermal tissue. In phanerogamous plants it is developed as collenchyma.
2. n. zoology An inner cellular layer which lies beneath the chitinous cuticle of arthropods, annelids, and some other invertebrates.

GNU Webster's 1913

1. n. (Bot.) A layer of tissue beneath the epidermis in plants, and performing the physiological function of strengthening the epidermal tissue. In phanerogamous plants it is developed as collenchyma.
2. n. (Zoöl.) An inner cellular layer which lies beneath the chitinous cuticle of arthropods, annelids, and some other invertebrates.

WordNet 3.0

1. n. in some classifications considered the type genus of the family Hypodermatidae: warble flies