rhachis
[
rey
-kis]
/ˈreɪ kɪs/
noun
,
plural
rhachises,
rhachides
[
rak
-i-deez,
rey
-ki-]
/ˈræk ɪˌdiz, ˈreɪ kɪ-/
(
Show IPA
)
1.
rachis
.
British Dictionary definitions for
rhachis
rachis
/
ˈreɪkɪs
/
noun
(
pl
)
rachises,
rhachises,
rachides,
rhachides
(
ˈrækɪˌdiːz
;
ˈreɪ-
)
1.
(
botany
) the main axis or stem of an inflorescence or compound leaf
2.
(
ornithol
) the shaft of a feather, esp the part that carries the barbs
3.
another name for
spinal column
Derived Forms
rachial,
rhachial
(
ˈreɪkɪəl
),
rachidial,
rhachidial
(
rəˈkɪdɪəl
)
adjective
Word Origin
C17: via New Latin from Greek
rhakhis
ridge
rhachis
/
ˈreɪkɪs
/
noun
(
pl
)
rhachises,
rhachides
(
ˈrækɪˌdiːz
;
ˈreɪ-
)
1.
a variant spelling of
rachis