<entry id="1150264" stat="A" corpus="jmdict" type="jmdict">
<ent_corp type="jmdict">jmdict</ent_corp>
<ent_seq>2804740</ent_seq>
<k_ele>
<keb>背わた</keb>
</k_ele>
<k_ele>
<keb>背ワタ</keb>
</k_ele>
<k_ele>
<keb>背腸</keb>
</k_ele>
<r_ele>
<reb>せわた</reb>
<re_restr>背わた</re_restr>
<re_restr>背腸</re_restr>
</r_ele>
<r_ele>
<reb>せワタ</reb>
<re_restr>背ワタ</re_restr>
</r_ele>
<sense>
<pos>&n;</pos>
<gloss>vein of a shrimp (prawn)</gloss>
<gloss>digestive tract of a shrimp</gloss>
<gloss>sand vein</gloss>
</sense>
<info>
<audit time="2013-12-19 10:05:29" stat="A" unap="true">
<upd_uid>richwarm</upd_uid>
<upd_name>Richard Warmington</upd_name>
<upd_email>...address hidden...</upd_email>
<upd_refs>Example: ベトナムCat tiger shrimp (背ワタ無し)のSサイズMサイズの現在の価格を教えて下さい。
.
背わたを取ったエビ 【せわたをとったエビ】 deveined shrimp; WI3 
背わたを取った海老 【せわたをとったかいろう】 de-veined shrimp; WI3 
背わたを取る 【せわたをとる】 (vt) to devein; remove back vein; WI1
.
Removing the "sand vein" (a euphemism for the digestive tract) is referred to as "deveining". 
http://en.wikipedia.org/wiki/Shrimp_%28food%29
.
Google n-gram counts
背わた	21208
背ワタ	13275</upd_refs>
</audit>
<audit time="2013-12-19 10:09:11" stat="A" unap="true">
<upd_uid>richwarm</upd_uid>
<upd_name>Richard Warmington</upd_name>
<upd_email>...address hidden...</upd_email>
<upd_refs>http://blog.goo.ne.jp/echan0308/e/c9e9f9bd58c46d7c2a0a29f91257c80b</upd_refs>
</audit>
<audit time="2013-12-20 02:43:20" stat="A">
<upd_uid>jwb</upd_uid>
<upd_name>Jim Breen</upd_name>
<upd_email>...address hidden...</upd_email>
<upd_refs>Daijr, ルミナス, ＫＯＤ追加語彙, ngrams</upd_refs>
<upd_diff>@@ -10,0 +10,3 @@
+&lt;k_ele&gt;
+&lt;keb&gt;背腸&lt;/keb&gt;
+&lt;/k_ele&gt;
@@ -12,0 +15,6 @@
+&lt;re_restr&gt;背わた&lt;/re_restr&gt;
+&lt;re_restr&gt;背腸&lt;/re_restr&gt;
+&lt;/r_ele&gt;
+&lt;r_ele&gt;
+&lt;reb&gt;せワタ&lt;/reb&gt;
+&lt;re_restr&gt;背ワタ&lt;/re_restr&gt;
@@ -15,1 +24,3 @@
-&lt;gloss&gt;/vein of a shrimp (prawn)/digestive tract of a shrimp/sand vein/&lt;/gloss&gt;
+&lt;gloss&gt;vein of a shrimp (prawn)&lt;/gloss&gt;
+&lt;gloss&gt;digestive tract of a shrimp&lt;/gloss&gt;
+&lt;gloss&gt;sand vein&lt;/gloss&gt;</upd_diff>
</audit>
</info>
</entry>