2. (noun) feeler (of crayfish), antenna, sucker, thin shoot, tendril (of plants), tentacle (of Portuguese man-of-war), sliver, baleen - any long slender appendage.
Synonyms: pāhau, pāhautea, hihi tohorā
3. (noun) straight line (maths).
hihī
1. (verb) to make a hissing noise, hiss, sizzle.
Ka tīmata ia ki te pīra riki ki roto i te parai, ka mea atu he hinu me ngā toenga kai. Hihī mai ana ngā kai i runga i te tō (TAH 52:8). / She began to slice the onions into the frying pan and added the dripping and the leftovers. The food was sizzling on the stove.
2. (noun) radio waves.
hihi aho
1. (noun) ray of light.
Ko te whakapikonga o tētahi hihi aho ina whakawhiti taua hihi mai i tētahi whaitua pūataata ki tētahi. Hei tauira, ka hakoko te hihi aho, e whakawhiti ana mai i te hau takiwā ki te wai. Ka hakoko te hihi aho nā te mea he pōturi ake te ngaru aho i roto i te wai, tēnā i te hau takiwā (RP 2009:183). / The bending of a ray of light when that ray passes from one transparent medium to another. For example, a ray of light bends when travelling from air into water. It bends because the light wave travels slower in water than it does in air (RP 2009:183)