Seam of the tongue: Anat

• A ridge that forms a seam between two parts
• Seamlike joining, in anatomy

Wikipedia Word definitions in Wikipedia
Raphe (; from Greek ῥαφή, "seam") has several different meanings in science. In botany and planktology it is commonly used when describing a seam or ridge on diatoms or seeds . In animal anatomy it is used to describe a ridged union of continuous biological ...

WordNet Word definitions in WordNet
n. a ridge that forms a seam between two parts [syn: rhaphe ] [also: raphae (pl)]

Wiktionary Word definitions in Wiktionary
n. (context anatomy botany English) A ridge or seam on an organ, bodily tissue, or other structure, especially at the join between two halves or sections.

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Rhaphe \Rha"phe\, n. [NL., fr. Gr. ??? seam, fr. ??? to sew. ] (Bot.) The continuation of the seed stalk along the side of an anatropous ovule or seed, forming a ridge or seam. [Written also raphe .] --Gray.

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
"seam, suture" (medical), 1753, medical Latin, from Greek rhaphe "seam, suture (of a skull)," from rhaptein "to sew together, stitch" (see wrap ).