资料来源 : Webster's Revised Unabridged Dictionary (1913)
5. (Mach.) A skeleton, or frame, having radiating arms or
members, often connected by crosspieces; as, a casting
forming the hub and spokes to which the rim of a fly wheel
or large gear is bolted; the body of a piston head; a
frame for strengthening a core or mold for a casting, etc.
{Spider ant}. (Zo["o]l.) Same as {Solitary ant}, under
{Solitary}.
{Spider crab} (Zo["o]l.), any one of numerous species of
maioid crabs having a more or less triangular body and ten
long legs. Some of the species grow to great size, as the
great Japanese spider crab ({Macrocheira Kempferi}),
measuring sometimes more than fifteen feet across the legs
when they are extended.
{Spider fly} (Zo["o]l.), any one of numerous species of
parasitic dipterous insects of the family
{Hippoboscid[ae]}. They are mostly destitute of wings, and
live among the feathers of birds and the hair of bats.
Called also {bird tick}, and {bat tick}.
{Spider hunter} (Zo["o]l.), any one of several species of
East Indian sunbirds of the genus {Arachnothera}.
{Spider lines}, filaments of a spider's web crossing the
field of vision in optical instruments; -- used for
determining the exact position of objects and making
delicate measurements. Fine wires, silk fibers, or lines
on glass similarly placed, are called spider lines.
{Spider mite}. (Zo["o]l.)
(a) Any one of several species of parasitic mites of the
genus {Argas} and allied genera. See {Argas}.
(b) Any one of numerous small mites injurious to plants.
{Spider monkey} (Zo["o]l.), any one of numerous species of
South American monkeys of the genus {Ateles}, having very
long legs and a long prehensile tail.
{Spider orchis} (Bot.), a European orchidaceous plant
({Ophrys aranifera}), having flowers which resemble
spiders.
{Spider shell} (Zo["o]l.), any shell of the genus
{Pteroceras}. See {Pteroceras}.