DEW
Dew, a. & n.
Defn: Same as Due, or Duty. [Obs.] Spenser.
DEWAR VESSEL
Dew"ar ves`sel (du"er). [After Sir James Dewar, British physicist.]
Defn: A double-walled glass vessel for holding liquid air, etc., having the space between the walls exhausted so as to prevent conduction of heat, and sometimes having the glass silvered to prevent absorption of radiant heat; — called also, according to the particular shape, Dewar bulb, Dewar tube, etc.
DEWBERRY Dew"ber`ry, n. (Bot.) (a) The fruit of certain species of bramble (Rubus); in England, the fruit of R. cæsius, which has a glaucous bloom; in America, that of R. canadensis and R. hispidus, species of low blackberries. (b) The plant which bears the fruit. Feed him with apricots and dewberries. Shak.
DEWCLAW
Dew"claw`, n.
Defn: In any animal, esp. of the Herbivora, a rudimentary claw or small hoof not reaching the ground. Some cut off the dewclaws [of greyhounds]. J. H. Walsh.
DEWDROP
Dew"drop`, n.
Defn: A drop of dew. Shak.
DEWFALL
Dew"fall`, n.