คำว่า ' bulb ' ( N )
มีความหมายในภาษาไทยว่า หัว (ของต้นไม้)
คำศัพท์อื่นๆที่มีความหมายเหมือนกัน : หัว, เหง้า, ก้อน
คำนิยามในภาษาอังกฤษ (definition) :
[n.] A spheroidal body growing from a plant either above or below the ground (usually below), which is strictly a bud, consisting of a cluster of partially developed leaves, and producing, as it grows, a stem above, and roots below, as in the onion, tulip, etc. It differs from a corm in not being solid.
[n.] A name given to some parts that resemble in shape certain bulbous roots; as, the bulb of the aorta.
[n.] An expansion or protuberance on a stem or tube, as the bulb of a thermometer, which may be of any form, as spherical, cylindrical, curved, etc.
[v. i.] To take the shape of a bulb; to swell.