Tensor: a muscle which stretches a membrane.
Tentacle: a flexible sensory or tactile process; in some cases retractile: usually prefixed by a descriptive term indicating the structure to which it is attached.
Tentacular -um: retractile processes on the larvae of Lepidoptera.
Tentaculate: a margin when fringed with soft tactile processes.
Tentiform: shaped like a tent: see mines.
Tentoria: Diptera; two hollow, cylindrical struts which pass from the ventral border of the occipital foramen to the cheeks.
Tentorium: a chitinous frame-work within the head, upon which the brain rests.
Tenuis: thin, slender; long drawn out.
Terebra: a borer or piercer: an ovipositor fitted for boring or cutting as in saw-flies: a mandibular sclerite articulated to the basalis; forms the point of the structure and = the galea of the maxilla.
Terebrant: with an ovipositor fitted for piercing or boring.