Clarity for lexicographers. Stability for data. Compatibility for the future.
10.1.139. <xr>
<xr> (cross-reference phrase) contains a phrase, sentence, or icon referring the reader to some other location in this or another text. [10.3.5.3. Cross-References to Other Entries]
Relation between two lexical units X and Y which are syntactically identical and have the property that any declarative sentence S containing X has equivalent truth conditions to another sentence S’ which is identical to S, except that X is replaced by Y. (Adapted from Cruse (1986).)
hyponymy
Relation between lexical units X and Y characterised by the property that the sentence ‘This is a(n) X’ entails, but is not entailed by the sentence ‘This is a(n) Y’. (Adapted from Cruse (1986).)
hypernymy
Relation between lexical heads X and Y characterised by the property that the sentence ‘This is a(n) Y’ entails, but is not entailed by the sentence ‘This is a(n) X’. (Adapted from Cruse (1986).)
meronymy
An inclusion relation between lexical heads X and Y which reflect a potential part-whole relation between their referents in discourse. (Adapted from Cruse (2011, p. 140).)
antonymy
related
The default reference to another lexical unit when no additional information is available.[Default]
May contain character data and phrase-level elements; usually contains a <ref> or a <ptr> element.
This element encloses both the actual indication of the location referred to, which may be tagged using the <ref> or <ptr> elements, and any accompanying material which gives more information about why the reader is being referred there.
Example
<entry><form><orth>lavage</orth></form><etym>[Fr. < <mentioned>laver</mentioned>; L. <mentioned>lavare</mentioned>, to wash;
<xr>see <ref>lather</ref></xr>]. </etym></entry>
Example
<entry><form><orth>lawful</orth></form><xr type="syn">SYN. see <ref>legal</ref></xr></entry>