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Webster 1913 Edition


Reef

Reef

(rēf)
,
Noun.
[Akin to D.
rif
, G.
riff
, Icel.
rif
, Dan.
rev
; cf. Icel.
rifa
rift, rent, fissure,
rifa
to rive, bear. Cf.
Rift
,
Rive
.]
1.
A chain or range of rocks lying at or near the surface of the water. See
Coral reefs
, under
Coral
.
2.
(Mining.)
A large vein of auriferous quartz; – so called in Australia. Hence, any body of rock yielding valuable ore.
Reef builder
(Zool.)
,
any stony coral which contributes material to the formation of coral reefs.
Reef heron
(Zool.)
,
any heron of the genus
Demigretta
;
as, the blue
reef heron
(
Demigretta jugularis
) of Australia
.

Reef

,
Noun.
[Akin to D.
reef
, G.
reff
, Sw.
ref
; cf. Icel.
rif
reef,
rifa
to basten together. Cf.
Reeve
,
Verb.
T.
,
River
.]
(Naut.)
That part of a sail which is taken in or let out by means of the reef points, in order to adapt the size of the sail to the force of the wind.
☞ From the head to the first reef-band, in square sails, is termed the first reef; from this to the next is the second reef; and so on. In fore-and-aft sails, which reef on the foot, the first reef is the lowest part.
Totten.
Close reef
,
the last reef that can be put in.
Reef band
.
See
Reef-band
in the Vocabulary.
Reef knot
,
the knot which is used in tying reef pointss. See Illust. under
Knot
.
Reef line
,
a small rope formerly used to reef the courses by being passed spirally round the yard and through the holes of the reef.
Totten.
Reef points
,
pieces of small rope passing through the eyelet holes of a reef-band, and used reefing the sail.
Reef tackle
,
a tackle by which the reef cringles, or rings, of a sail are hauled up to the yard for reefing.
Totten.
To take a reef in
,
to reduce the size of (a sail) by folding or rolling up a reef, and lashing it to the spar.

Reef

,
Verb.
T.
[
imp. & p. p.
Reefed
(rēft)
;
p. pr. & vb. n.
Reefing
.]
(Naut.)
To reduce the extent of (as a sail) by rolling or folding a certain portion of it and making it fast to the yard or spar.
Totten.
To reef the paddles
,
to move the floats of a paddle wheel toward its center so that they will not dip so deeply.

Webster 1828 Edition


Reef

REEF

,
Noun.
A certain portion of a sail between the top or bottom and a row of eyelet holes, which is folded or rolled up to contract the sail, when the violence of the wind renders it necessary.

REEF

, n.
A chain or range of rocks lying at or near the surface of the water.

REEF

,
Verb.
T.
[from the noun.] To contract or reduce the extent of a sail by rolling or folding a certain portion of it and making it fast to the yard.