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Nautical Terms
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Sierra
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safe
overhead
clearance
-
A
distance
that
needs
to
be
kept
between
the
mast
and
overhead
electrical
lines
to
prevent
electrical
arcing. |
|
safety
harness
-
A
device
worn
around
a
person's
body
that
can
be
attached
to
jack
lines
to
help
prevent
a
person
from
becoming
separated
from
the
boat. |
|
safety
pin
-
1
-
Any
pin
that
is
used
to
prevent
a
fitting
from
falling
open.
2
-
A
pin
used
to
keep
the
anchor
attached
to
its
anchor
roller
when
not
in
use. |
|
sail
shape
-
The
shape
of
a
sail,
with
regard
to
its
efficiency.
In
high
winds
a
sail
would
probably
be
flatter,
in
low
winds
rounder.
Other
circumstances
can
cause
a
sail
to
twist.
Controls
such
as
the
cunningham,
boom
vang,
outhaul,
traveler,
halyards,
leech
line,
sheets,
and
the
bend
of
the
mainmast
all
can
affect
sail
shape.
Also
see
sail
trim. |
|
sail
track
-
A
slot
into
which
the
bolt
rope
or
lugs
in
the
luff
of
the
sail
are
inserted
to
attach
the
sail.
Most
masts
and
roller
reefing
jibs
use
sail
tracks.
Systems
with
2
tracks
can
allow
for
rapid
sail
changes. |
|
sail
-
A
large
piece
of
fabric
designed
to
be
hoisted
on
the
spars
of
a
sailboat
in
such
a
manner
as
to
catch
the
wind
and
propel
the
boat. |
|
sailboat
-
A
boat
which
uses
the
wind
as
its
primary
means
of
propulsion. |
|
sailcloth
-
A
fabric,
usually
synthetic,
used
to
make
sails. |
|
sailing
directions
-
Books
that
describe
features
of
particular
sailing
areas,
such
as
hazards,
anchorages,
etc. |
|
sampson
post
-
A
strong
post
used
for
to
attach
lines
for
towing
or
mooring. |
|
scend
-
The
distance
that
the
trough
of
a
wave
is
below
the
average
water
level.
With
large
waves
in
shallow
water
the
scend
is
important
to
help
determine
whether
a
boat
will
run
aground. |
|
schooner
-
A
sailboat
with
two
or
more
masts.
The
aft
mast
is
the
same
size
or
larger
than
the
forward
ones
-
.
Also
see
ketch
and
yawl. |
|
scow
-
A
boat
with
a
flat
bottom
and
square
ends. |
|
scupper
-
An
opening
through
the
toerail
or
gunwale
to
allow
water
to
drain
back
into
the
sea. |
|
scuttlebutt
-
Gossip.
People
talking
about
things
that
may
or
may
not
be
true,
usually
about
other
people
or
events.
The
term
scuttlebutt
evolved
from
the
name
of
a
keg
containing
water
and
alcohol
that
sailors
used
to
gather
about
before
meals. |
|
sea
buoy
-
The
last
buoy
as
a
boat
heads
to
sea. |
|
sea
cock
-
A
valve
used
to
prevent
water
from
entering
at
a
through
hull. |
|
sea
kindly
-
A
boat
that
comfortable
in
rough
weather. |
|
sea
level
-
The
average
level
of
the
oceans,
used
when
finding
water
depths
or
land
elevations. |
|
sea
room
-
Room
for
a
boat
to
travel
without
danger
of
running
aground. |
|
sea
-
1
-
A
body
of
salt
water.
A
very
large
body
of
fresh
water.
2
-
Any
body
of
salt
water
when
talking
about
its
condition
or
describing
the
water
around
a
boat.
Heavy
for
example. |
|
seamanship
-
The
ability
of
a
person
to
motor
or
sail
a
vessel,
including
all
aspects
of
its
operation. |
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secondary
port
-
A
port
that
is
not
directly
listed
in
the
tide
tables
but
for
which
information
is
available
as
a
difference
from
a
nearby
standard
port. |
|
sector
-
An
arc
of
a
circle
in
which
certain
types
of
navigational
lightlights
known
as
sector
lights
are
visible. |
|
secure
-
To
make
fast.
To
stow
an
object
or
tie
it
in
place. |
|
semaphore
-
A
method
of
signaling
using
two
flags
held
in
position
by
the
signaler. |
|
separation
zone
-
A
region
drawn
on
a
chart
to
separate
two
lanes
that
have
shipping
vessels
moving
in
opposite
directions. |
|
serve
-
To
wind
small
line
around
a
rope
to
protect
it
from
chafechaffing
and
weather. |
|
shake
out
-
To
remove
a
reef
from
a
sail. |
|
she
-
All
boats
are
referred
to
as
female.
She
is
at
anchor.
Her
sails
are
set. |
|
sheathing
-
A
covering
to
protect
the
bottom
of
a
boat. |
|
sheepshank
-
A
knot
used
to
temporarily
shorten
a
line. |
|
ship
-
1
-
A
large
vessel.
2
-
To
take
an
object
aboard,
such
as
cargo,
or
water.
3
-
To
put
items
such
as
oars
on
the
boat
when
not
in
use. |
|
shoal
-
1
-
Shallow
water.
2
-
An
underwater
sand
bar
or
hill
that
has
its
top
near
the
surface. |
|
shore
-
The
edge
of
the
land
near
the
water. |
|
shroud
-
Part
of
the
standing
rigging
that
helps
to
support
the
mast
by
running
from
the
top
of
the
mast
to
the
side
of
the
boat.
Sailboats
usually
have
one
or
more
shrouds
on
each
side
of
the
mast. |
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