1) Cereal grass genus 2) Genus of rye 3) Genus of rye grass 4) Genus secale 5) Liliopsid genus 6) Monocot genus 
Secale is a genus of grasses in the Triticeae tribe. The best known member is rye (Secale cereale). Other species include: ...
• (n.) A genus of cereal grasses including rye.
Se·ca'le noun [ Latin , a kind of grain.] (Botany) A genus of cereal grasses including rye. 
Secale is a genus of hardy annual grasses, bearing their flowers in a dense terminal spike. The principal species is Secale cereale, rye.
[n] - cereal grass widely cultivated for its grain: rye
genus Secale noun cereal grass widely cultivated for its grain: rye