Term: sea swallow: common tern of Eurasia and America having white black and grey plumage
Candidate hypernym: tern: small slender gull having narrow wings and a forked tail → 1
Candidate hypernym: casuarinales: order of chiefly Australian trees and shrubs comprising the casuarinas; 1 family: Casuarinaceae → 0
Candidate hypernym: mountain hollyhock: perennial of northwestern United States and western Canada resembling a hollyhock and having white or pink flowers → 0
Candidate hypernym: invertase: an enzyme that catalyzes the hydrolysis of sucrose into glucose and fructose → 0
Candidate hypernym: cavern: a large cave or a large chamber in a cave → 0
Candidate hypernym: strigidae: a family of nocturnal birds of the order Strigiformes → 0
Candidate hypernym: voting trust: an agreement whereby persons owning stock with voting powers retain ownership while transferring the voting rights to the trustees → 0
Candidate hypernym: mortarboard: an academic cap with a flat square with a tassel on top → 0
Candidate hypernym: thomomys: western pocket gophers → 0
Candidate hypernym: settling: a gradual sinking to a lower level → 0
Candidate hypernym: electrician: a person who installs or repairs electrical or telephone lines → 0