D defs.my
Entry 1 sense Webster, 1913

Ballooning spider

/bəl-o͞on'-ĭng spīd'-ẽr/ · Bal·loon·ing spi·der · IPA
01 A spider which has the habit of rising into the air. Many kinds (esp. species of Lycosa) do this while young by ejecting threads of silk u…
  1. 1.
    A spider which has the habit of rising into the air. Many kinds (esp. species of Lycosa) do this while young by ejecting threads of silk until the force of the wind upon them carries the spider aloft.(Zool.)